non moving parts
71Alien (film) — Alien …
72Momentum — This article is about momentum in physics. For other uses, see Momentum (disambiguation). Classical mechanics Newton s Second Law …
73Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… …
74Elevator — 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 …
75Albert Einstein — Einstein redirects here. For other uses, see Einstein (disambiguation) …
76Mission of Burma — Background information Origin Boston, Massachusetts, U.S. Genres …
77Refrigerator — Fridge and Freezer redirect here. For other uses, see Fridge (disambiguation) and Freezer (disambiguation). For other uses, see Refrigerator (disambiguation). See also: Refrigeration A side by side refrigerator …
78Mamod — Type Private Industry Toys Founded 1937 Founder(s) Geoffrey Malins …
79Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …
80Safety (firearms) — This article is about the mechanical safety devices built into most firearms. For the main article about firearm safety education, see Gun safety. Close up shot of a safety of an M16A2 rifle. In firearms, a safety or safety catch is a mechanism… …
