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2. Drain-waste-vent system - Wikipedia

   en.wikipedia.org/wiki/Drain-waste-vent_system

   A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

3. Kelly hose - Wikipedia

   en.wikipedia.org/wiki/Kelly_hose

   A kelly hose (also known as a mud hose or rotary hose) is a flexible, steel reinforced, high pressure hose that connects the standpipe to the kelly (or more specifically to the goose-neck on the swivel above the kelly) and allows free vertical movement of the kelly while facilitating the flow of drilling fluid through the system and down the drill string. [1]

4. Pipe support - Wikipedia

   en.wikipedia.org/wiki/Pipe_support

   Support types i.e. whether hanging type, foot mounted type etc. Special features such as travel limit stop required if any. Preferred surface protection / paint / finish. Hot load is the working load of the support in the “Hot” condition i.e. when the pipe has traveled from the cold condition to the hot or working condition.

5. Aqueduct (water supply) - Wikipedia

   en.wikipedia.org/wiki/Aqueduct_(water_supply)

   Its lower tiers carry a road across the river, and the upper tiers support an aqueduct conduit that carried water to Nimes. Roman aqueducts were built in all parts of the Roman Empire, from Germany to Africa, and especially in the city of Rome, where they totalled over 415 kilometres (258 mi). The aqueducts supplied fresh water to public baths ...

6. Water slide - Wikipedia

   en.wikipedia.org/wiki/Water_slide

   A typical water slide uses a pump system to pump water to the top which is then allowed to freely flow down its surface. The water reduces friction so sliders travel down the slide very quickly. Water slides run into a swimming pool (often called a plunge pool) or a long run-out chute.

7. White Rats of America - Wikipedia

   en.wikipedia.org/wiki/White_Rats_of_America

   The White Rats was a fraternal organization formed in the United States by vaudeville performers, led by George Fuller Golden, as a labor union to support the rights of male performers. [1] Women and African-American performers were not allowed to join.

8. Daniele da Volterra - Wikipedia

   en.wikipedia.org/wiki/Daniele_da_Volterra

   Daniele da Volterra, Descent from the Cross (c. 1545), after its restoration in 2004; Trinità dei Monti, Rome. Daniele Ricciarelli (Italian: [daˈnjɛːle rittʃaˈrɛlli]; c. 1509 – 4 April 1566), better known as Daniele da Volterra (/ v oʊ l ˈ t ɛr ə /, Italian: [daˈnjɛːle da (v)volˈtɛrra]), was a Mannerist Italian painter and sculptor.

9. Slider (parachuting) - Wikipedia

   en.wikipedia.org/wiki/Slider_(parachuting)

   A slider is a small rectangular piece of fabric with a grommet near each corner used to control the deployment of a "ram-air" parachute. Also called a "reefing device." [2] A ram-air parachute has a tendency to open very rapidly. At high velocities, the opening shock from a rapid deployment can cause damage to the canopy or injury to the jumper.