622results about How to "Won't stick" patented technology

The invention discloses a multifunctional automatic dumpling machine, comprising a rack, a skin rolling mechanism, a skin conveyer belt, a punching skin conveying mechanism, a stuffing filling unit, a die closing unit, an encircling intermittent movement dumpling forming template, a disk conveying mechanism, a placement mechanism, an intermittent driving unit and a stepping motor, wherein the punching skin conveying mechanism structurally has a structure that blanking holes on upper and lower side synchronous belts are vertically alignment, the stuffing filling unit realizes multi-hole quantification and synchronization stuffing filling; the contact surface between the skin and the template is reduced by 90% by using the structure of a movable template on the encircling intermittent movement dumpling forming template; protrusion ribs have certain gradients, thus the skins do not adhere to the template and can smoothly enter the forming die; and die assembly can be complete by the projection and concave cavity, thus the produced dumpling has beautiful appearance, and the advantages of firm bonding and low cost are achieved.

The invention relates to a medical hydrogel dressings and a preparation method thereof. The hydrogel dressings is prepared by taking 10-30% by mass of starch and 2-15% by mass of water-soluble polymer as raw materials, utilizing a guanidinesalt polycondensate as an anti-bacterial agent, adding a cross-linking agent, and reacting at the temperature of 40-80 DEG C. The operation steps are as follows: adding the starch and the water-soluble polymer in a solvent to prepare into a solution, regulating the pH value of the solution by a NaOH solution, heating for gelatinization, cooling, adding the anti-bacterial agent and the cross-linking agent, stirring to form a mixed solution, pouring the mixed solution into a die, and reacting at the temperature of 40-80 DEG C to obtain the anti-bacterial hydrogel. Compared with the prior art, the hydrogel dressings in the invention has the advantages of good swelling property, high transparency, moderate mechanic strength, excellent bacteria invasion resistance, wide raw material sources, cheap raw materials, good tissue compatibility and favorable medical application prospect, and can effectively prevent wound infection.

The invention provides a preparation method of rice noodles, which belongs to the technical field of instant food. The preparation method solves the problems that the preparation methods of the prior rice noodles need to be added with additive, soaked in boiling water or are easy to be conglobated when being cooked, etc. The preparation method of the instant rice noodles comprises the following steps: rice soaking and flour milling; long rice is selected to be soaked in water; the long rice is ground into rice flour after being soaked; powdering and thread extrusion; aging and thread rolling; the flour thread is put into a closed cavity to age; after aging, the glutinous thread is loosened by thread rolling; redistilling: the flour thread after being rolled is put into a steam box, and steam is fed in; washing, shaping and drying; the rolled thread is washed by water, so that the flour thread is fully loosened, put into a mould box to be shaped, dried, and the instant rice noodles are obtained. The rice noodles prepared by the preparation method of the instant rich noodles have the advantages of good taste, no paste, good toughness, sufficient biting performance, etc.

The invention relates to a hydroxyethyl chitosan fiber preparation method, including the following steps: (1)dispersing chitosan fiber in the mixed solvent of ethanol and isopropanol, adding aqueous alkali, maintaining the temperature of the system in the range of minus 10 DEG C to 20 DEG C, dipping for 5-120min and then basifying to produce basified chitosan fiber; (2)adding isopropanol solution of epoxy ethane into the above system and rising the temperature of the system to 30-70 DEG C, then etherifying for 0.5-8h, taking out of the fiber and dispersing the fiber in ethanol aqueous, adding acetic acid solution drop by drop until the mixture becomes neutral, then washing with ethanol, dehydrating through anhydrous ethanol, and finally airing in air. In this way, partially substituted hydroxyethyl chitosan fiber can be prepared. Hydroxyethyl chitosan fiber with liquid adsorption and liquid retention capabilities can be prepared by introducing hydrophilic hydroxyethyl groups to the chain of chitosan macromolecule. The hydroxyethyl chitosan fiber has potential application value on the treatment of serous wounds; the preparation method is simple, and the substitution degree is easy to control.

The invention discloses a method for obtaining a large-hole-diameter double-through-hole AAO membrane. The method comprises the following steps that 1, aluminum foil is pretreated, and thus aluminum foil with the surface being as smooth and flat as a mirror is obtained; 2, a large-hole-diameter single-through-hole AAO membrane with an aluminum base and a blocking layer is prepared through a secondary anodic oxidation method, wherein an anodic oxidation electrolyte is a mixed solution of phosphoric acid (with the content being 0.05 M-0.2 M) and sodium oxalate (with the content being 0.01 M-0.03 M); and 3, the aluminum base and the blocking layer of the large-hole-diameter single-through-hole AAO membrane are removed through a corrosion stripping method, wherein aluminum base corrosive liquid is a mixed solution of copper chloride (with the content being 0.1 M-0.15 M) and ferric chloride (with the content being 0.15 M-0.18 M). The method has the advantage that the double-through-hole AAO membrane which is large in hole diameter, orderly in hole arrangement, large in area and good in integrality is obtained.

The invention provides a detachable drawer slide, comprising a supporting seat, an outer slide, an inner slide and a locking mechanism. The drawer slide is characterized in that the locking mechanism comprises a reed; wherein one end of the reed is a fixed end connected with a web plate of the inner slide, while the other end is an elastic movable end which is raised towards one side of the outer slide; the movable end is provided with a through hole; the outer slide is provided with a stop lug raising towards the reed on the web plate; the stop lug can be received in the through hole to prevent the inner slide from separating from the outer slide. Compared with the prior art, the drawer slide uses the reed instead of the prior elastic strip structure to ensure that the drawer can be separated from the slide only through lightly pressing the elastic movable end of the reed by the first finger, is in accordance with the characteristic of finger force application of a human body, and has the advantages of easy and convenient operation; and the finger need not put into the groove of the outer slide, and can not adhere to stains on the slide. The drawer slide is sanitary and clean for use, has uneasily deformed metal reed, long service life, and safer and more reliable limit.

The invention discloses a tool for laser welding of a printed circuit heat exchanger (PCHE). The tool for laser welding of the printed circuit heat exchanger comprises a base, a top cover, positioning pins, fastening studs and guide rods, wherein the base and the top cover are connected through the positioning pins, the fastening studs are arranged at the four corners of the base and the four corners of the top cover, and the guide rods are located on the two sides of the middle. The positioning pins vertically penetrate through multiple layers of the PCHE metal heat exchange plates which are located between the base and the top cover. The top cover and the base are connected in a fastened through the studs and tightly clamp the metal heat exchange plates located between the top cover and the base. The positioning pins are ejected out of the metal heat exchange plates through pin retreating screws, so that the shearing stress between the metal heat exchange plates is zero when the heat exchange plates of the tool are taken out, and thus the metal heat exchange plates are prevented from falling into pieces when the PCHE is taken out. According to the tool for laser welding of the PCHE, the technical requirements for strictly aligning the metal heat exchange plates of the PCHE, tightly clamping the metal heat exchange plates of the PCHE and conveniently taking a welded heat exchanger core out of the tool are met.

The invention discloses a nanometer ceramic building curtain wall paint which comprises a nanometer oxide, a coloring pigment, an organosilicon curing agent and an auxiliary agent. The paint is characterized by super weathering resistance, scratch resistance, fireproofness, non-inflammability and self-cleaning, etc. The products of the invention are applicable to the hull painting of an outdoor aluminum curtain wall, and an aluminum veneer and an aluminum honeycomb panel which are used for indoor decoration.

The invention discloses a resistance welding method. When aluminum is spot-welded on a spot welding machine, the aluminum to be spot-welded is placed on a spot welding platform and is covered by a thin aluminum foil, the thin aluminum foil is covered by a thin copper foil, and welding parameters are adjusted to control a spot welding head to perform resistance spot welding. When a thin aluminum electrode is welded, the spot welding head is separated from the electrode by a thin copper sheet, and the part in contact with the spot welding head is the copper foil during welding, so that the welding head of the spot welding machine does not stick the thin aluminum electrode when the copper foil is used as a sacrificial layer. Therefore, after the copper foil is used as the sacrificial layer, the spot welding head does not stick the aluminum foil, so that the service life of the spot welding head is prolonged and the production efficiency is improved.

The invention discloses a flexible rehabilitation training glove for stroke patients, which comprises a flexible retractable finger traction component and a driving component, and there are five flexible retractable finger traction components arranged in a hand shape. All flexible retractable finger traction components are connected with the driving component, and are stretched under the drive of the driving component; all flexible retractable finger traction components are provided with finger band and / or finger stall. According to the flexible rehabilitation training glove, stroke patients can carry out rehabilitation training for hands, stimulate the reestablishment of neural pathways, prevent the adhesion of soft tissue, prevent muscle atrophy, and avoid the ossification of hand tissue due to calcification, so as to promote the rehabilitation of stroke.

The invention relates to the field of ceramic tile production and manufacturing in the ceramic industry, in particular to a device for preventing glaze slip from adhering to the bottoms of ceramic tile blanks and a control method of the device. The device comprises a glaze line unit, a glaze pouring unit and a glaze stop unit, wherein the glaze stop unit comprises glaze stop troughs, glaze baffle fixing rods and a transmission mechanism, the glaze stop troughs are connected with the transmission mechanism through the glaze baffle fixing rods, and the glaze stop troughs are obliquely arranged above glaze line belts. When the ceramic tile blanks on the glaze line belts leave the positions below the glaze pouring unit, the oblique glaze stop troughs move upwards and stop moving when the tops of the glaze stop troughs are located over the glaze line belts, at the moment, the glaze slip flowing down from a bell cover returns to a glaze receiving plate without flowing onto the glaze line belts, and therefore, the effect that the glaze slip is prevented from adhering to the bottoms of the ceramic tile blanks moving on the glaze line belts is guaranteed; and as the glaze material flowing down is not contaminated, the glaze material can be recycled, and waste and environment pollution are avoided.

The invention relates to an encapsulating material applied for an LED, which comprises the components proportioning by weight: 100 parts of ethylene siloxane, 5-80 parts of ethylene silicone, 0.01-1 part of inhibitor, 0.05-3 parts of platinic chloride complex compound and 5-50 parts of organo-silicone with Si-H bond. The encapsulating material provided by the invention has long service life and is beneficial to actual use after being mixed; after solidification, the obtained condensate has high transparence, good yellowing resistance and no surface viscosity, so as not to adhere to dust; the condensate is higher in mechanical strength, and has the tensile strength being 2-6MPa, hardness being 40-70 (shore A) and the bonding strength being 1-3 MPa. Therefore, the encapsulating material can provide good mechanical protection for the LED, thereby being beneficial for the stability of life-time service of the LED and not affecting the service life of the LED.

Preparation and application of an antibacterial modified exosome burn wound healing-promoting biological dressing are disclosed. A raw dressing is a novel artificially modified exosome prepared by taking cell-derived exosome as a carrier of an antibacterial agent and combining with a broad-spectrum antibacterial agent; and the modified exosome is loaded into an asymmetric chitosan porous moisturizing dressing. The weight ratio of chitosan to water-absorbing molecules to the exosome to the antibacterial agent in the dressing is (40-60): (20-40): (5-20): (1-10). The dressing has a broad-spectrumantibacterial effect, a blood vessel repair promoting effect, a nerve repair promoting effect and a wound healing promoting effect. Meanwhile, the dressing has moisture retention, air permeability, barrier property, high strength and easy disclosure, and is a novel antibacterial compound dressing with a broad-spectrum antibacterial effect. The dressing is prepared through freeze-drying, has advantages of simple preparation process, low cost, outstanding treatment effect and good safety, and has remarkable medical value and industrialization potential.

A container such as a nail varnish container is provided which permits the user to quickly remove or put on the cap (4) with a single hand without the need of turning the cap (4). The container (1) includes a container (3) body having a neck (2) formed with a narrow hole (6) having its top edge tapered (5). The neck (2) has a tapered upper portion and a small-diameter portion connected to the bottom of the tapered upper portion to define a shoulder (9) on the bottom. Its cap (4) includes a cap body (11) to be fitted on the neck (2). The cap body (11) houses a vertically movable plug (12) which can be seated on the tapered top edge of the neck (2), an elastic member (13) which slides downwardly along the outer surface of the tapered upper portion and fits in the small-diameter portion and engages the shoulder (9), and a spring (14) biasing the plug (12) downwardly relative to the cap body. The cap body is provided with a disengaging means (15) for disengaging the elastic member (13) from the shoulder (9).

The invention discloses a fluid magnetic abrasive hole finishing processing device. The device comprises a driving cylinder and a storage cylinder which are connected into a whole through a middle connecting cover, a front end cover is arranged at the upper end of the driving cylinder, a rear end cover is arranged at the lower end of the storage cylinder, a driving cylinder piston is arranged in the driving cylinder, the lower end of the driving cylinder piston is connected with a piston rod, the other end of the piston rod penetrates the middle connecting cover to extend into the storage cylinder and is provided with a storage cylinder piston, and an oil return port communicating with the inside of the driving cylinder is arranged on a driving cylinder shell and adjacent to the middle connecting cover. After a magnetic field is applied, viscosity is increased rapidly under the action of the external magnetic field, so that grinding media with certain shear yield stress are formed along the hole wall surfaces, further processing such as finishing, grinding and deburring of inner walls of various holes is achieved, and surface adaptability and universality are high.

The invention discloses a semi-pre-buried soil restoration sphere and a using method thereof, and belongs to the technical field of soil restoration. The semi-pre-buried soil restoration sphere comprises a soil restoration sphere body and an auxiliary restoration device; the soil restoration sphere comprises a main hemisphere and an auxiliary hemisphere; the auxiliary restoration device comprisesan internally threaded cylinder, an extension tube and a tapered auxiliary rod; the lower end of the main hemisphere is fixedly connected with the internally threaded cylinder; the interior of the main hemisphere communicates with the outside through the internally threaded cylinder; a plurality of oil absorption spheres are arranged in the main hemisphere; and the internally threaded cylinder andthe auxiliary hemisphere are each provided with a plurality of evenly distributed first venting holes. Through semi-pre-burying of the soil restoration sphere in a zone where oil leakage is liable tooccur in advance, a method that prevention is a main task and treatment is an auxiliary task is adopted, oil can be adsorbed at first when oil leaks, damage caused by oil leakage to the soil is greatly reduced, the difficulty and cost of later soil restoration are greatly reduced, and environment protection and sustainable development are facilitated.

The invention provides water chestnut cleaning equipment based on a gear and rack engaging and lifting principle. The water chestnut cleaning equipment comprises a frame body, wherein the top end of the frame body is in an open shape; two mounting bases are symmetrically and fixedly connected to the outer side wall of the frame body; a gear and rack engaging and lifting device is fixedly connected to each of the mounting bases; a lifting rope is connected to each of the gear and rack engaging and lifting devices; a sleeve is fixedly connected to the bottom ends of the two lifting ropes; and a filter screen is connected to the bottom end of the sleeve through connecting devices. The water chestnut cleaning equipment disclosed by the invention has the following beneficial effects that firstly, an electric current is energized to an electromagnet, magnetism can be generated after the electric current is energized to the electromagnet, and an iron block can be attracted, so that the iron block is lowered, and the iron block drives the rack to move downward; and the rack drives the gear engaged with the rack to rotate when the rack moves downward, and the gear drives a rotating rod to rotate when the gear rotates, so that the lifting ropes are wound on the rotating rod, the lifting of the sleeve is achieved, and final cleaning of water chestnuts in the sleeve can be performed.

The invention relates to the technical field of medical dressing, in particular to medical and antibacterial cationic biogel dressing and a preparation method thereof. The medical and antibacterial cationic biogel dressing comprises raw materials in percentage by weight as follows: glycerin, chitosan quaternary ammonium salt, amino-acid iodine, organosilicon quaternary ammonium salt, an indigowoad leaf extraction solution, a prunella vulgaris extraction solution, a paniculate swallowwort root extraction solution and the balance of purified water. The antibacterial dressing has a remarkable antibacterial effect, is transparent, high in water content, non-toxic, harmless, nonirritating and good in biocompatibility and adhesion, can isolate bacteria, kill bacteria, fungi and viruses and prevent skin and mucous membranes from infection, can stop bleeding and keep the wound wet and further can promote skin regeneration and healing of the wound. The medical and antibacterial cationic biogel dressing can be widely used for preventing and treating infection of skin wound such as skin bruise, scalding, burning, bedsore, ulcer, vagina skin eczema and the like and local mucous membrane infection of an oral cavity, the throat, gingivae and the like and can relieve pains, inhibit bacteria, protect wound, promote wound healing and inhibit scarring.

A flue gas dust removal, desulfurization and denitrification coprocessing technology comprises a housing, wherein the housing is an increasing coupling from bottom to top; a support is mounted at the inner upper part of the housing; a first shaft sleeve is arranged in the middle of the support; a rotating shaft is mounted in the first shaft sleeve; an impeller and an ammonia injection pipe are mounted on the rotating shaft; the ammonia injection pipe is located below the impeller; second nozzles of which the openings face downwards are arranged on the ammonia injection tube; an air passage is formed in the rotating shaft and communicated with the ammonia injection tube; a side hole is formed in the lower part of the rotating shaft and communicated with the air passage; a second shaft sleeve is mounted at the lower part of the rotating shaft; a first guide plate and two second guide plates are mounted in the bottom of the housing; the two guide plates define an increasing channel from bottom to top; a ring-shaped ammonia injection pipe is located between the ammonia injection pipe and the first guide plate. According to the flue gas dust removal, desulfurization and denitrification coprocessing technology, nitrogen oxides in flue gas are effectively removed after semi-dry desulfuration, the defect that fluorides cannot be integrally removed by active coke is overcome; consumption of a heat source and increase of the flue gas temperature are not needed during low-temperature denitrification, so that lots of energy is saved in comparison with an SCR (Selective Catalytic Reduction) denitrification process.

Provided are a water-absorbent antibacterial dressing for burn injuries and wounds and a preparation method and application thereof. The dressing is a stereoscopic reticular porous sponge, chitosan isadopted as a framework, a super absorbent polymer combined with an antibacterial agent control-released carrier is adopted as branched chains, and macromolecules or polymers of flexiblestructures areadopted as a cross-linking agent among the branched chains. The antibacterial agent control-released carrier is loaded with an antibacterial agent. The weight ratio of the chitosan to the super absorbent polymer to the antibacterial agent control-released carrier to the cross-linking agent to the antibacterial agent in the antibacterial dressing is (0.6-2):(40-60):(0.6-25):(0.1-10):(1-10). The dressing has water absorption performance, moisture retention performance, air permeability, a barrier property, a long-acting antibacterial property, a bleeding stopping function and high strength andis easy to tear off, and is a novel antibacterial compound dressing with a broad-spectrum antibacterial effect. The dressing can be prepared through a one-pot method, is simple in preparation process,low in cost, prominent in treatment effect and high in safety and has remarkable medical value and industrialization potential.

The invention discloses a lactobacillus fruit juice beverage and a preparation method thereof. The lactobacillus fruit juice beverage is composed of, by mass, 5-25% of reconstituted milk, 4-10% of fruit concentrated juice, 2-13% of mango puree, 5-20% of white granulated sugar, 0.01-0.06% of vitamin C, 1-6% of highly-concentrated fermentation liquid, 0.1-0.5% of acid, 0.1-0.7% of stabilizer, 0.01-0.05% of acidity regulator and the rest water. Fruit juice content of the lactobacillus fruit juice beverage is 40-60%, so that a market gap is filled; the lactobacillus fruit juice beverage is free of layering after long-time standing, and quality guarantee period can reach 9 months. The preparation method is simple and feasible, and the lactobacillus fruit juice beverage can be made by adopting an existing production line. The preparation method can ensure the lactobacillus fruit juice beverage to be free of wall blurring and is suitable for large-scale continuous production.

The invention relates to the technical field of landscaping of buildings, and particularly relates to a plant wall which comprises a framework and a plurality of splicing greening plate grid assemblies, wherein each greening plate grid assembly comprises a panel and a plant container, each plant container is fixed on the related panel, each panel is fixed on the framework, waterproof connecting structures which are mutually matched are arranged at the upper ends and the lower ends of the panels, the upper and lower panels which are adjacent are connected through the waterproof connecting structures, a waterproof connecting member is arranged between the left and right panels which are adjacent, and the left and right panels are connected through the waterproof connecting members. By adopting the splicing structure, the plant wall is conveniently installed, can be designed and installed according to an actual wall body structure, and is convenient to operate; and then during splicing, the waterproof structures are provided, and thus the wall body is prevented from being stained by water, waterproof materials are not needed, and the plant wall can be rapidly installed and is more environment-friendly.

The invention relates to the field of plastic processing, in particular to a plastic granulator and aims to solve the problem of plastic particle adhesion and improve plastic particle size uniformity.The plastic granulator comprises a first mounting plate, a first collecting frame, supporting seats, an air drying frame, a first bearing seat, a first pulley, a first flat belt, a fourth rotating shaft, a third mounting plate and the like. A second mounting plate is fixedly connected to a lateral portion of the first mounting plate, and the air drying frame is fixedly connected to a lateral portion, away from the second mounting plate, of the first mounting plate. The first bearing seat is embedded to a lateral portion of the air drying frame. The plastic granulator has advantages that the plastic particles accumulated after granulation are less prone to adhesion, and the manufactured plastic particles can be screened and classified to guarantee plastic particle uniformity.

The invention discloses a packaging material applied to a light-emitting diode (LED), which is characterized by consisting of a pouring sealant body and a thickening primer coating, wherein the thickening primer coating comprises the following components in part by weight: 100 parts of organic solvent; 1 to 20 parts of silicon resin; 0.1 to 30 parts of silane coupling agent and reactive group-containing siloxane and 10<-5> to 4 parts of titanate or platinum complex. In the invention, a condensate obtained after the pouring sealant body is solidified can provide good mechanical protection for the LED; the thickening primer coating has high bonding strength, can enable the pouring sealant body condensate to be adhered to a bracket of the LED reliably, and makes no space between the pouring sealant body condensate and the bracket of the LED, and the adverse influence on the LED because water vapor, oxygen and the like penetrate into the LED in the using process is prevented, so that the packaging material can protect the LED adequately.

An embroidery product is made through embroidering on the thermoplastic resin layer attached to a substrate, hot pressing to fix the embroidering silk thread to the thermoplastic resin layer, removing substrate by dissolving or decopmosing, hot pressing for fixing an adhesive layer to the front surface of embrodered resin layer, adhering a transparent sheet consisting of thermoplastic acrylic resin layer and adhesive layer, and removing excessing part.

Disclosed is a process for making convenient ready-to-eat rice vermicelli, which comprises the steps of milling, proportioning, mixing, curing, forming, processing, dividing, weighing, packaging, sterilizing, packaging and sealing.

The invention relates to an automation device for spray-polishing of a wooden door oil paint. The automation device is capable of mainly solving the problems that the spray-polishing quality of the wooden door oil paint is bad, the workshop environment is polluted, the operator health is damaged, the production efficiency is low, the oil fog explosion is easily produced and the stacked oil paint needs to be cleaned frequently. The automation device is characterized in that a track-mounted conveying device (1) is provided with a wooden door positioning element (3), a spraying station is installed in a spraying chamber (2), two symmetrical spray guns (4) are installed above the spraying chamber (2) corresponding to two sides of the spraying station, the spray guns (4) are connected with a pneumatic spraying machine, and the spray guns (4) are installed a spray gun driving mechanism (5). The automation device is controlled by using PLC. The angle of the spray guns can be automatically regulated, so the best accurate spraying can be executed to the wooden door, the spray-polishing quality of the wooden door oil paint is good, the workshop environment is not polluted, the operator health is not damaged, the production efficiency is high, and the potential safety hazard of the oil fog explosion is avoided.

The invention discloses a method for manufacturing a high tension coil of a resin pouring dry type coiling iron core transformer. The method comprises the following steps that a circle of glass cloth plate or a circle of PET plate wraps a coil wire wrapping die, the joint of the glass cloth plate or the joint of the PET plate is pasted firmly through silicone adhesive or double faced adhesive tape, and the glass cloth plate or the PET plate is tightly tightened in a sparse wrapping mode through a glass tape; the two ends of the glass cloth plate or the two ends of the PET plate are inserted into grooves of two end plates of a wire wrapping tile die, and gaps between the two end plates and the grooves are filled with glass cement to be sealed; a pre-stained glass fiber grid plate is wrapped in a surrounding mode; an electromagnetic wire winding is wound; an outer die is arranged in a sleeved mode, resin is poured into the outer die, and the outer die, the two end plates of the wire wrapping tile die and the coil wire wrapping die are removed after the resin is solidified and cooled. The method solves the problems that in the process of manufacturing the high tension coil of the resin pouring dry type coiling iron core transformer, demoulding is difficult, the resin leaks easily and the environment is polluted; the dies are easy to manufacture, reliable and convenient to seal, efficient and high in quality; branching lead-out operation is simple, and welding is firm; branching lead wires are not crossed, space is saved, the short circuit is eradicated, and the process is safe and reliable.