conventional tractor
121Printer (computing) — A modern printer with scanning/copying capability Small printer …
122Fuel 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… …
123Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
124Tillage — Cultivating after early rain. Tillage is the agricultural preparation of the soil by mechanical agitation of various types, such as digging, stirring, and overturning. Examples of human powered tilling methods using hand tools include …
125Ferry — For other uses, see Ferry (disambiguation). Main article: Merchant ship A ferry (or ferryboat) is a form of transportation, usually a boat, but sometimes a ship, used to carry (or ferry) primarily passengers, and sometimes vehicles and cargo as… …
126Shadow (Babylon 5) — The Shadows are an ancient alien species in the science fiction television series Babylon 5 . Their homeworld is Z ha dum. In contrast to the Vorlons, whose philosophy is represented by the question Who are you? that of the Shadows is represented …
127Ferrari 250 — The Ferrari 250 is a series of sports cars built by Ferrari from the 1950s and early 1960s. It was the company s most successful early line of vehicles, produced for over a decade from 1953 to 1964 and resulting in several variants. The 250 was… …
128Electric fence — An electric fence is a barrier that uses electric shocks to deter animals or people from crossing a boundary. The voltage of the shock may have effects ranging from uncomfortable, to painful or even lethal. Most electric fencing is used today for …
