Top Description Of Principle Of Operation

Fish Tank (The Criterion Collection)

  • ...ll suction inlet accessory, and it is easy to suck the feces away. ③ Water Changing. 79in long high quality pvc hose can meet the basic use. The water level of the first press operation can be as low as 6in. The lowest water level line can reach 0.8in..
  • 【SIPHON WORKING PRINCIPLE】: No need to be plugged in(electricity), manual operation, by testing at the fastest it only press 3 times, and the water can be auto flowed, complete the water circulation from the inside of the tank to the outside, and take away the impurities on the sand and gravel through the water flow..
  • 【hygger's NEW UPGRADED】 New special design - also equipped with a handle-type operation ball, that conforms to ergonomics and engineering, with more operation methods-can be held or pinched, more labor-saving, simpler, and faster to work. Using EVA materials, rubber-like elasticity, do not worry about airbag damage and leakage, can be used for a long time..
  • 【Wide Application】: Aquarium Vacuum Gravel Cleaner suitable for types of mini small middle fish tanks, with spliced extension tubes, and can be installed according to demand.Four basic combinat....
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Defy Wood Brightener 1 Gallon

  • ADVANCED MEASUREMENT: Compared with adopting the traditional drying weightlessness principle to measure contented moisture, high frequency....
  • HIGH PERFORMANCE: There are 10 modes of wood density mode for your choice. Wide and precise range: Wood 2%~70% RH, Resolution: 0.5%, Accuracy:....
  • POWER FUNCTION: Auto power off in 3 minutes without any operation, data hold function, large LCD display with backlight makes the meter easy to read..
  • PORTABLE SIZE: Ergonomic size fits in your hand perfectly to get a better grip..
  • WIDE APPLICATION: The moisture meter is reliable for contractors, woodworkers and homeowners to measure the containing water of most wood, bamboo,....
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Soldering Practice Kit,3 Kits SMD SMT Weldering Skills Training Board(Soldering-All)

  • ✅3 SETS of SUPER VALUE.From easy to difficult SMD components soldering practice kit, high challenge PCB SMD welding skills competition..
  • ✅Professional skills, complete this kit, need a certain professional knowledge base, practical training experience..
  • ✅High quality material, high-quality double-sided spray tin FR-4 circuit board, easy to solder, not easy to oxidize, contribute to success..
  • ✅Technical support, including component list, circuit diagram, principle description and finished product diagram. Please contact us for information..
  • ✅Super quantity components: there are many kinds of components, nearly 20 different kinds of electronic components. There are more than 1400 solder joints and more than 500 components..
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1pc Automatic Drain Valve Spherical Condensate Drain Mechanical Round Float Filter for Compressed Air Drain 1/2BSP

  • 【Principle Of Operation】The automatic condensate drainer closes the drain outlet when the buoyancy of the drain is less than the weight of the float plus compressed air pressure.
  • it opens when the buoyancy increases to drain the condensate.
  • 【Mechanical Drainage】The operation of our mechanical automatic drain is extremely reliable, no electricity, no noise, no compressed air loss, excellent performance and low failure rate..
  • 【Exquisite Craftsmanship】Our float drain has a cast aluminum alloy shell and an internal float drain system. The surface is coated with plastic powder and is corrosion resistant..
  • 【Product Advantages】This compressed air condensate automatic drain is very different from the traditional mechanical automatic drain, which belongs to continuous droplet discharge..
  • 【Specifications】Model: HAD20B--Port Size: Inlet=Outlet=1/2BSP--Max. Pressure: 20bar--Max. Temperature: 100℃--Max. Capacity: 400L/H--Weight: 602g(approx.).
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Jewellers Tools XLarge Gold Silver Platinium Scrap Testing Magnet 24Ct 9Ct Check 4 Fake Goods Gold/Silver

  • ◆ Application: pawn broking, bank, jewelry shop, precious-metals recovery, jewelry factory, Gemstone Testing Center,precious metals researching.etc.In accordance with archimedes principle water buoyancy method, GB/T1423 of precious metals testing standard,and so on.003cbr003e K value of gold,PT value of platinum,density value,purity percentage can be measured..
  • ◆ The purity of gold,platinum,and other precious metals can be measured in a short time..
  • Multi-mode,gold mode,platinum mode,other precious metals mode can be shifted.
  • the purity of other precious metals can be measured.such as tin,copper, silver., etc. also can be used as precision balance.
  • it can display"OK,HI,LO" in the state of qualified, exceed, less.
  • Function of automatic zero tracking,buzzer warning,and overload warning.
  • ◆ Combine archimedes principle with micro electronic technique.
  • the purity can be calculated through measuring density of precious metals.features of no damage on sample.
  • simple operation,fast and accurate Measurement Procedure: a)Measure the gold weight in ....
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DUOYI Brake Spring Tool, 5081 S-Cam Air Brake Tools Replace for Semi Trucks Brakes Shoes, Brake Tools for Heavy Duty Trucks, Tractors & Trailers, Steel Mechanic Tool for Automotive Brake Repair

  • 【Air Brake Spring Tool】 It is safer and easier to replace the heavy duty tractors and trailers brake shoes, without the need for screwdrivers or tool pliers to remove the brake shoes..
  • 【Brake Spring Tool is Easy to Operate】Just hook the tab to the fixed spring ring, press the bar end down on the shaft, hold the handle and push it down and inward until the spring ring is firmly fixed on the brake shoe..
  • 【Principle of Use of Spring Tools】The end of this spring tool is in a "v"-shaped structure, which effectively utilizes the principle of leverage and is against the axle to separate the spring ring from the brake shoe more safely and easily..
  • 【Brake Adjustment Tool is Made of High-quality Steel】Made of selected high-quality steel, wear-resistant and strong, durable..
  • 【Note】This tool is used for heavy machinery vehicles such as tractors and trailers. Pay attention to safety during operation and use..
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DUOFIRE Window Film Privacy 3D Decorative Window Film Static Cling Window Door Covering No Glue for Home Office Sun Blocking, Big Mosaic 35.4 x 78.7 in. DL014

  • ...table For Any Places: Kitchen, Bedroom, Living Room, Dining Room, Office, Hotels, Classroom, Lobby, etc..
  • 【Easy Application】You only need some clear water (soapy water would be better) to apply it. DON'T forget to remove backing protective film before putting on glass (Detail instructions, please see the Product Description)..
  • 【Reusable Static Cling】This window film is no-glue, easy to position and remove without any residue or any harmful substances release. So it can be reused if not damaged or smudged..
  • 【Anti-UV Window Cling】Keep heat out in summer and retain it in winter comfort. Control heat, block out more than 96% of harmful UV Rays, stop the staffs in door from fading and aging.Made by premium vinyl material which has been designed to withstand heat and steam for long lasting quality..
  • 【Package include】1 roll of window film.
  • 1 piece of professional stainless steel film cutter.
  • 1 piece of cleaning cloth. Please Make sure window surface is completely clean and absolutely free of any blemishes, and tear off the outside protection film before you post the privacy window film on the smooth surface. Easy to cut into any size to meet your special demands..
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FTS FAA PRIVATE PILOT TRAINING STUDY GUIDE POSTER Poster Size 27 x 19 In

  • Private Pilot Initial Training requires studying, understanding and memorizing and so many aviation terms ranging from Airplane Parts, Instrument,....
  • Here are the most important contents of the poster: Start-up Procedures and Requirements for Flight Training. Airplane Components and Axes (Primary....
  • FAA Private Pilot Airman Certification Standards (ACS).
  • ATC Light Gun Signals METAR/TAF Abbreviations and Acronyms Flight Instruments, Way of Operation & Limitations..
  • Center of Gravity Theory (Weight & Balance) Aerodynamic Forces in Flight, Bernoulli`s Principle: Airfoil, Lift, Pressure, Velocity Relation Use of....
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Avantaway Ultrasonic Pest Repeller 6 Pack Upgraded Pest Repellent Electronic and Ultrasound Repeller for Insects Bugs Pest Control for Living Room Garage Warehouse Office Hotel

  • Working principle: The new ultrasonic chip technology, the ultrasonic machine stimulates the sensory system and nervous system of pests. Make them....
  • Safe and effective: This product is non-toxic, tasteless, and there is no need to worry about the harm to children and pets. Get rid of mosquitoes and....
  • Night light function: The product is equipped with a breathing light at night to provide soft lighting. Night lights will stimulate pests to leave....
  • Product effect: Low power operation, power saving, long-term operation. Ultrasonic insect repellent is a product that works through low-frequency....
  • Easy to use: Plug in the power it starts working, covering a large area. Ultrasonic insect repellent is silent and covers an area of ​​1800 square....
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BRISON Ultrasonic Pest Reject Repeller - Plug in Electronic Non-Toxic Device - Electromagnetic and Ultrasound Control - Repellent for Mice Rats Bed Bugs Spiders Rodents Insects - Indoor [2 Pack]

  • Working principle: The new ultrasonic chip technology, the ultrasonic machine stimulates the sensory system and nervous system of pests. Make them....
  • Safe and effective: This product is non-toxic, tasteless, and there is no need to worry about the harm to children and pets. Get rid of mosquitoes and....
  • Night light function: The product is equipped with a breathing light at night to provide soft lighting. Night lights will stimulate pests to leave....
  • Product effect: Low power operation, power saving, long-term operation. Ultrasonic insect repellent is a product that works through low-frequency....
  • Easy to use: Plug in the power it starts working, covering a large area. Ultrasonic insect repellent is silent and covers an area of ​​1800 square....
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Jewelry Polisher Tumbler 3kg 6.6 Lbs Capacity Jewelry Polisher Machine with Glass Barrel Mini Polisher Tumbler for Jewelry

  • Capacity: 3kg, Glass barrel dimensions: 190*180mm, Voltage: 110V,Power: 45W..
  • With the advantages of la small noise and easy operation..
  • Take the principle of centrifugal motion,Rotary tumblers polish Jewelry rocks, stones, coins, polish brass and other metals..
  • Mini jewelry polisher tumbler with 5 speeds & timer from 10-60 minutes. Excellent for studio and small jewelry projects..
  • 100% Satisfaction Guarantee.one year warranty..
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LUBAN Ratchet Cable Cutter, Heavy Duty Wire Cutter for Aluminum Copper Cable up to 240mm², Ratcheting Wire Cutting Hand Tool

  • Germany designed ratcheting cable cutters for cutting copper and aluminum single conductors as well as multiple stranded cables (240mm² Max), clean and smooth cut without crushing and deformation. Perfect tool for those who need to cut large wires without the hassle.
  • One-hand operation using ratchet principle, little hand force required due to very high transmission ratio, simple handling as a result of lightweight and compact body - can be used even in confined areas.
  • Unique ratchet driving unit action holds cable tight and allows rapid - straight cuts with minimum effort. Hold-open spring design speeds cutting action.
  • Made of high-grade special tool steel, forged, oil-hardened treated for durable use. Anti-slip rubber hand guard offers secure grip.
  • Note: Not for cutting steel wires and ropes. Do not use to cut live wires. Features quick-release lever opens blade at anytime during operation.
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