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2. Electrical conduit - Wikipedia

   en.wikipedia.org/wiki/Electrical_conduit

   lb. kg in. mm in. mm 1/2: 16: 30: 13.6: 0.706 ... weight and material cost vary depending on the size of conduit, but the values for 3/4 inch ... A conduit body can ...

3. Mark 84 bomb - Wikipedia

   en.wikipedia.org/wiki/Mark_84_bomb

   The HGK is a Turkish guidance kit used to convert 2000-lb Mark 84 bombs into GPS/INS guided smart bombs. [ 11 ] According to a test report conducted by the United States Navy's Weapon System Explosives Safety Review Board (WSESRB) established in the wake of the 1967 USS Forrestal fire , the cooking off time for a Mk 84 is about 8 minutes 40 ...

4. Ductile iron pipe - Wikipedia

   en.wikipedia.org/wiki/Ductile_iron_pipe

   The energy consumed in manufacturing ductile iron pipe was 19.55 MJ per kg and volume of emissions released during manufacture was 1.430 kg CO 2 per kg, compared to 68.30 MJ per kg of energy and 4.860 kg CO 2 per kg emissions for PVC pipes, and 1.24 MJ per kg and 0.148 kg CO 2 per kg for concrete pipes of the same diameter.

5. Directional boring - Wikipedia

   en.wikipedia.org/wiki/Directional_boring

   Directional boring. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Copper fittings for soldered joints. Pipe fittings: 1) Copper (solder); 2) Iron or brass (threaded); 3) Brass (compression); 4) Brass (compression to solder); 5) Brass adapters. PVC fittings. A fitting or adapter is used in pipe systems to connect sections of pipe (designated by nominal size, with greater tolerances of variance) or tube ...

7. Operation Steinbock - Wikipedia

   en.wikipedia.org/wiki/Operation_Steinbock

   The Luftwaffe did have some blockbuster weight-class (two short tons/4,000 lb) ordnance designs ready for use: the largest bomb in use at this time was the SC1800. It weighed 1,767–1,879 kg (3,896–4,142 lb) of which 1,000 to 1,100 kg (2,200 to 2,400 lb) was high explosive detonated by an electrical impact fuse.