steel for general engineering purposes
21Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic …
22Cast iron — For cookware, see Cast iron cookware. Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) …
23Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
24Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
25Sheffield — For other uses, see Sheffield (disambiguation). City of Sheffield   City Metropolitan borough   Top left …
26Surveying — For other uses, see Survey (disambiguation). US Navy Surveyor at work with a leveling instrument …
27Scotland — For other uses, see Scotland (disambiguation). Scotland  (English/Scots) Alba  (Scottish Gaelic) …
28Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
29Brass — For other uses, see Brass (disambiguation). Brass die, along with zinc and copper samples. Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.[1] In …
30Nitish Kumar — For the Canadian cricketer, see Nitish Kumar (cricketer). Nitish Kumar Chief Ministers of Bihar In office 3 March 2000 – 10 March 2000 Deputy CM …
