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2. Relief valve - Wikipedia

   en.wikipedia.org/wiki/Relief_valve

   A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.

3. Descent propulsion system - Wikipedia

   en.wikipedia.org/wiki/Descent_propulsion_system

   The propulsion system for the descent stage of the lunar module was designed to transfer the vehicle, containing two crewmen, from a 60-nautical-mile (110 km) circular lunar parking orbit to an elliptical descent orbit with a pericynthion of 50,000 feet (15,000 m), then provide a powered descent to the lunar surface, with hover time above the lunar surface to select the exact landing site.

4. Dyle et Bacalan DB-20 - Wikipedia

   en.wikipedia.org/wiki/Dyle_et_Bacalan_DB-20

   The DB-20 was an all-metal monoplane with a mixture of steel and duralumin tube frames and duralumin skin. Designed as a ground attack aircraft, it was heavily armoured. An earlier Dyle and Bacalan twin engine design, the DB-10 had a very deep airfoil centre section between the engines which replaced the forward fuselage.

5. Pilot-operated relief valve - Wikipedia

   en.wikipedia.org/wiki/Pilot-operated_relief_valve

   When the pilot valve reaches set pressure it opens and releases the pressure from the dome. The piston is then free to open and the main valve exhausts the system fluid. The control pilot opens either to the main valve exhaust pipe or to atmosphere. Snap acting At set pressure the valve snaps to full lift.

6. Kacey Musgraves curses at fan who ‘kind of ruined’ concert ...

   www.aol.com/kacey-musgraves-curses-fan-kind...

   Kacey Musgraves had some choice words for a handsy fan at her recent performance.. Video on TikTok went viral of the singer’s Tampa, Florida, concert on Friday, where she walked through the ...

7. Apollo (1906 automobile) - Wikipedia

   en.wikipedia.org/wiki/Apollo_(1906_automobile)

   The Apollo was made by the Chicago Recording Scale Company of Waukegan, Illinois, from 1906 to 1907. The only model produced was a five-seater with a Roi-des-Belges body. Power came from a water-cooled four-cylinder engine by way of a three-speed transmission and shaft drive .