belt screw
41Mass production — This article is about large scale production. For the Iggy Pop piece, see The Idiot (album). For the American funk band, see Mass Production (band). Mass production (also flow production, repetitive flow production, series production, or serial… …
42Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
43Elevator — 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 …
44furniture industry — Introduction all the companies and activities involved in the design, manufacture, distribution, and sale of functional and decorative objects of household equipment. The modern manufacture of furniture, as distinct from its design,… …
45MythBusters (2008 season) — Country of origin Australia United States No. of episodes 20 (includes 8 specials) Broadcast Original channel Discovery Channel …
46Pulley — For the band, see Pulley (band). For the village, see Pulley, Shropshire. For the American photographer, see Gerald P. Pulley. Pulley Pulleys on a ship. In this context, pulleys are usually known as blocks. Classification …
47History of World Championship Wrestling — The history of World Championship Wrestling (WCW) is concerned with the American professional wrestling promotion that existed from 1988 to 2001. It began as a promotion affiliated with the National Wrestling Alliance (NWA) that appeared on the… …
48Conveyor system — Conveyor redirects here. For other uses, see Conveyor (disambiguation). This article is about conveyor systems. For information on conveyor belts, see conveyor belts. For information on overhead conveyors, see overhead conveyors. An overhead… …
49United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
50Adjustable spanner — From the bottom: 1. The first adjustable spanner f …
