welding design
41SR Merchant Navy class — SR Merchant Navy class[1] Official Southern Railway photograph of 21C1 Channe …
42Mikoyan-Gurevich MiG-25 — MiG 25 Role Interceptor and reconnaissance aircraft Manufacturer Mikoyan Gurevich OKB …
43Harold and Inge Marcus Department of Industrial and Manufacturing Engineering — The Harold and Inge Marcus Department of Industrial and Manufacturing Engineering is the industrial engineering department at the Pennsylvania State University in State College, Pennsylvania, U.S.A. Founded in 1908, it is the oldest industrial… …
44machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
45Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …
46Cloud Gate — Coordinates: 41°52′57.67″N 87°37′23.97″W …
47Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
48hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
49BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …
50metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
