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2. Riser (casting) - Wikipedia

   en.wikipedia.org/wiki/Riser_(casting)

   Top risers are advantageous because they take up less space in the flask than a side riser, plus they have a shorter feeding distance. If the riser is open to the atmosphere it is known as an open riser, but if the riser is completely contained in the mold it is known as a blind riser. An open riser is usually bigger than a blind because the ...

3. Bidet shower - Wikipedia

   en.wikipedia.org/wiki/Bidet_shower

   A bidet shower in a hotel bathroom in Helsinki, Finland. A bidet shower—also known as a handheld bidet, commode shower, toilet shower, health faucet, bum shower, jet spray, hand shower, shatafa (from the Arabic: شَطَّافَة [ʃɑtˤˈtˤɑːfɑ], "hand shower rinser") or bum gun—is a hand-held triggered nozzle that is placed near the toilet and delivers a spray of water used for ...

4. Lower riser package - Wikipedia

   en.wikipedia.org/wiki/Lower_riser_package

   The Lower Riser Package is a mechanical device to protect an oil well located underwater (subsea) and used during an oil well intervention. The LRP is essentially a mini blow out preventer (BOP). The lower riser package consists of a connector to the subsea oil well, a series of safety valves and a connection point at the top for connection to ...

5. Drilling riser - Wikipedia

   en.wikipedia.org/wiki/Drilling_Riser

   Drilling riser joints with buoyancy modules. A drilling riser is a conduit that provides a temporary extension of a subsea oil well to a surface drilling facility. Drilling risers are categorised into two types: marine drilling risers used with subsea blowout preventer (BOP) and generally used by floating drilling vessels; and tie-back drilling risers used with a surface BOP and generally ...

6. Manhole cover - Wikipedia

   en.wikipedia.org/wiki/Manhole_cover

   A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.

7. 3-ring release system - Wikipedia

   en.wikipedia.org/wiki/3-ring_release_system

   Front and side views of a 3-ring (mini rings) release system on a single riser of a packed main parachute. Since the introduction of the 3-ring system, variations in the design have raised safety concerns. For example, the move to mini rings and mini risers caused riser failures on some designs [6] until riser strength