welding practice
111Rolling-element bearing — A rolling element bearing is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding.One of… …
112Electromagnetic forming — A pinched aluminium can, produced from a pulsed magnetic field created by rapidly discharging 2 kilojoules from a high voltage capacitor bank into a 3 turn coil of heavy gauge wire. Electromagnetic forming (EM forming or magneforming) is a type… …
113Storage tank — A storage tank is a container, usually for holding liquids, sometimes for compressed gases (gas tank). The term can be used for both reservoirs (artificial lakes and ponds), and for manufactured containers. The usage of the word tank for… …
114Wally Hedrick — Infobox Artist bgcolour = #6495ED name = Wally Hedrick imagesize = caption = Wally Hedrick, c.1967, in studio working on The War Room (1967) birthname = birthdate = 1928 location = Pasadena, California deathdate = 2003 deathplace = San Francisco …
115Sunburn — A sunburn is a burn to living tissue such as skin produced by overexposure to ultraviolet (UV) radiation, commonly from the sun s rays. Exposure of the skin to lesser amounts of UV will often produce a suntan. Usual mild symptoms in humans and… …
116materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
117Makera Assada — Contents 1 Etymology of Makera Assada 2 Origin of the people of Makera Assada 3 Occupation 4 Blacksmithing in Makera Assada …
118Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
119Soviet Union — USSR and CCCP redirect here. For other uses, see USSR (disambiguation) and CCCP (disambiguation). Soviet redirects here. For the term itself, see Soviet (council). For other uses, see Soviet (disambiguation). Union of Soviet Socialist Republics …
120Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …
