imparts spin to
41Wheelbase — In both road and rail vehicles, the wheelbase is the distance between the centers of the front and rear wheels. Road In automobiles, the wheelbase is the horizontal distance between the center of the front wheel, and the center of the rear wheel …
42Man-Thing — For the film, see Man Thing (film). Man Thing Man Thing #1 (Jan. 1974). Cover art by Frank Brunner. Publication information …
43Civilization IV — Sid Meier s Civilization IV Developer(s) Firaxis Games Publisher(s) 2K Games …
44Pellet (air gun) — From left to right, flat, round nose, hollow point and pointed pellets. Top row .22 caliber (5.5 mm), bottom .177 (4.5 mm) caliber. An air gun pellet is, for the most part, a non spherical projectile designed to be fired from an air gun. But this …
45advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
46industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …
47Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… …
48Martial arts — For other uses, see Martial arts (disambiguation). Martial arts are extensive systems of codified practices and traditions of combat, practiced for a variety of reasons, including self defense, competition, physical health and fitness, as well as …
49Sodium — This article is about the chemical element. For the PlayStation Home game, see Sodium (PlayStation Home). neon ← sodium → magnesium Li ↑ Na ↓ K …
50Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
