grinding size
91Tooth (human) — For other uses of tooth or teeth , see Tooth (disambiguation). Teeth An adult human s teeth …
92Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …
93History of the Caribbean — The history of the Caribbean reveals the significant role the region played in the colonial struggles of the European powers since the fifteenth century. In the twentieth century the Caribbean was again important during World War II, in the… …
94Skimboarding — (or skimming) is a boardsport in which a board is used to ride on an incoming wave. HistoryThe earliest known record of skimboarding goes back to 1920 in Laguna Beach, California. [ [http://www.skimonline.com/history/29 lifeguard1.htm Skimboard… …
95Activities prohibited on Shabbat — Main article: Shabbat See also: Shomer Shabbat and Rabbinically prohibited activities of Shabbat The commandment to keep Shabbat as a day of rest is repeated many times in the Tanakh, the Hebrew Bible. (See for example Exodus 31:12 17 quoted …
96Froth flotation — Diagram of a cylindrical froth flotation cell with camera and light used in image analysis of the froth surface. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several processing… …
97Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… …
98Straight razor — A straight razor with square point and a double transverse stabiliser Main article: Razor A straight razor is a razor with a blade that can fold into its handle.[1] …
99glassware — /glas wair , glahs /, n. articles of glass, esp. drinking glasses. [1705 15; GLASS + WARE1] * * * Introduction any decorative article made of glass, often designed for everyday use. From very early times glass has been used for various… …
100Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …
