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2. Level sensor - Wikipedia

   en.wikipedia.org/wiki/Level_sensor

   The technique is inherently self-cleaning. It is highly recommended for liquid level measurement applications where ultrasonic, float or microwave techniques have proved undependable. The system will require constant supply of air during measurement. The end of the tube should be above certain height to avoid sludge from clogging the tube.

3. Toilet roll holder - Wikipedia

   en.wikipedia.org/wiki/Toilet_roll_holder

   A classic horizontal-axle, wall-mounted toilet roll holder. A toilet-roll holder, also known as a toilet paper dispenser, is an item that holds a roll of toilet paper. Common models include a hinged length of wire mounted horizontally on a wall, a thicker axle either recessed into a wall or mounted on a frame, or a freestanding vertical pole on ...

4. Maceration (sewage) - Wikipedia

   en.wikipedia.org/wiki/Maceration_(sewage)

   Maceration can be achieved by using a chopper pump in the sewage lift station or at the wastewater treatment plant. [ 1 ] When the flush is triggered, wastewater flows into the macerator, and when the water level rises, pressure activates the unit, causing the stainless steel blades to rotate at 3,600 rpm, pulverizing the wastewater into fine ...

5. Jack (device) - Wikipedia

   en.wikipedia.org/wiki/Jack_(device)

   A jack which can lift a mobile home. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. [1] The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be ...

6. Dead man's switch - Wikipedia

   en.wikipedia.org/wiki/Dead_man's_switch

   A pedal acting as a dead man's switch in a bucket lift truck. A dead man's switch is a switch that is designed to be activated or deactivated if the human operator becomes incapacitated, such as through death, loss of consciousness, or being bodily removed from control. Originally applied to switches on a vehicle or machine, it has since come ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Teletype Model 28 - Wikipedia

   en.wikipedia.org/wiki/Teletype_Model_28

   Model 28 Reperforator Transmitter-Distributor Set. The Teletype Model 28 RT Set is punched tape message and data relay set that receives, punches, prints, stores, reads and transmits five-level paper tape. The receiving unit accepts incoming electrical signals and punches and prints the intelligence on five-level paper tape.

9. Recreational vehicle terms - Wikipedia

   en.wikipedia.org/wiki/Recreational_vehicle_terms

   The house batteries are separate and isolated electrically from the vehicle batteries, known in this context as engine batteries that are used to start and operate the motor vehicle part of the RV (motor of a motorhome, car or truck for tow vehicles or campers). RV batteries differ from car or truck batteries in that they are 'deep cycle ...