shovel wheel
41Oregon Trail — For other uses, see Oregon Trail (disambiguation). Oregon Trail The route of the Oregon Trail shown on a map of the western United States from Independence, Missouri (on the eastern end) to Oregon City, Oregon (on the western end) …
42Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …
43Bucket (machine part) — For other uses, see Bucket (disambiguation) and Scoop. A bucket (also called a scoop to qualify shallower designs of tools) is a specialized container attached to a machine, as compared to a bucket adapted to the form of a human being. It is a… …
44Caterpillar Inc. — Caterpillar Inc. Type Public Traded as NYSE: CAT Dow Jones Industrial Average Component …
45Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …
46William Murdoch — Infobox Scientist name = William Murdoch box width = image width = caption = birth date = Birth date|1754|08|21 birth place = Cumnock, East Ayrshire, Scotland death date = dda|1839|11|15|1754|08|21 death place = Handsworth, nr. Birmingham,… …
47Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …
48Loader (equipment) — This article is about the piece of construction equipment. For the Australian rock band, see Front End Loader. Volvo L120E front loader …
49List of baseball nicknames — Baseball nicknames have become an integral part of the sport s culture: In no sport are nicknames more pervasive than baseball. [1] This is a list of nicknames of Major League Baseball teams and players. It includes a complete list of nicknames… …
50Topic outline of mining — For a more comprehensive list, see the List of mining topics. Mining is the extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Materials recovered by… …
