swinging bucket

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• Trebuchet —    A type of Catapult which utilizes a counterweight to fire its projectile. An earlier version had a team of men pulling on ropes attached to the short end of the beam. Usually a free swinging bucket was attached to the short end of the throwing …   The writer's dictionary of science fiction, fantasy, horror and mythology

• Ultracentrifuge — The ultracentrifuge is a centrifuge optimized for spinning a rotor at very high speeds, capable of generating acceleration as high as 1,000,000 g (9,800 km/s²). There are two kinds of ultracentrifuges, the preparative and the analytical… …   Wikipedia

• Heads up! — exclam. Look out! □ Heads up! Watch out for the swinging bucket! □ Here’s a rough spot on the trail. Heads up! …   Dictionary of American slang and colloquial expressions

• Loader (equipment) — This article is about the piece of construction equipment. For the Australian rock band, see Front End Loader. Volvo L120E front loader …   Wikipedia

• Power shovel — P H 4100 XPB cable loading shovel A power shovel (also stripping shovel or front shovel or electric mining shovel) is a bucket equipped machine, usually electrically powered, used for digging and loading earth or fragmented rock and for mineral… …   Wikipedia

• Glossary of climbing terms — This page describes terms and jargon related to climbing and mountaineering. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …   Wikipedia

• List of dodgeball variations — The following is a list of rules variations for the collection of games known as dodgeball. Agility Ball Played on a basket ball court with the two main hoops down, depending on how many people are on each team, there are either 8 balls or 10 or… …   Wikipedia

• Escapement — redirects here. For the fisheries term for the stock surviving fishing pressures over a spawning cycle, see Spawn (biology). For other uses, see Escapement (disambiguation). A deadbeat escapement, used in many pendulum clocks. Click above to see… …   Wikipedia

• List of baseball jargon (S) — sabermetrics:Sabermetrics is the analysis of baseball through objective evidence, especially baseball statistics. The term is derived from the SABR – the Society for American Baseball Research. The term was coined by Bill James, an enthusiastic… …   Wikipedia

• power shovel — any self propelled shovel for excavating earth, ore, or coal with a dipper that is powered by a diesel engine or electric motor. Cf. shovel (def. 2). [1905 10] * * * ▪ tool       digging and loading machine consisting of a revolving deck with a… …   Universalium

• Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …   Wikipedia