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  2. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    Fuel and oxygen tanks should be fastened securely and upright to a wall, post, or portable cart. An oxygen tank is especially dangerous because the gas is stored at a pressure of 21 MPa (3,000 psi; 210 atm)) when full. If the tank falls over and damages the valve, the tank can be jettisoned by the compressed oxygen escaping the cylinder at high ...

  3. Pin Index Safety System - Wikipedia

    en.wikipedia.org/wiki/Pin_Index_Safety_System

    The pin index safety system uses a face seal between the cylinder valve and the associated yoke clamp. There are two holes in specific positions on the cylinder valve body below the outlet port , in positions associated with the gas mixture, which prevent connection of the cylinder to a yoke or pressure regulator with a mis-matched set of pins.

  4. List of television stations in Ohio - Wikipedia

    en.wikipedia.org/wiki/List_of_television...

    Area served City of license VC RF Callsign Translating Network Notes Cleveland: Eastlake: 25 34 W34FP-D: WVIZ: PBS: Ohio Channel on 25.2, World Channel on 25.3, Create on 25.4, PBS Kids on 25.5, WKSU 89.7 FM Simulcast on 25.7, WCLV 90.3 FM Simulcast on 25.8, Cleveland Sight Center Network on 25.9

  5. Cameron Mitchell Restaurants - Wikipedia

    en.wikipedia.org/wiki/Cameron_Mitchell_Restaurants

    Cameron Mitchell is president and founder of Cameron Mitchell Restaurants. He gained notoriety in the restaurant industry in 2008, when two of the company's concepts: Mitchell's/Columbus Fish Market and Mitchell's/Cameron's Steakhouse—a total of 22 units—sold to Ruth's Hospitality Group for $92 million.

  6. 807 (vacuum tube) - Wikipedia

    en.wikipedia.org/wiki/807_(vacuum_tube)

    The 1624 (VT-165) is an 807 variant with a directly heated filamentary cathode operating at 2.5 V, 2 A. The 1625 (VT-136) is an 807 variant with a 12.6 V heater and a 7-pin base. These tubes were used as RF power amplifiers in some of the SCR-274 and AN/ARC-5 "command set" transmitters of WW2. Postwar, 1625 tubes flooded the surplus market, and ...

  7. Oxyhydrogen - Wikipedia

    en.wikipedia.org/wiki/Oxyhydrogen

    Oxyhydrogen is a mixture of hydrogen (H 2) and oxygen (O 2) gases. This gaseous mixture is used for torches to process refractory materials and was the first [1] gaseous mixture used for welding. Theoretically, a ratio of 2:1 hydrogen:oxygen is enough to achieve maximum efficiency; in practice a ratio 4:1 or 5:1 is needed to avoid an oxidizing ...