with+a+fine+edge
81Shigaraki ware — History As a traditional legend, a potter by the name of Kato Shirozaemon Kagemasa, also known as Toshiro, had supposedly gone to China with a Buddhist priest Dogen during the Joo era. Upon his return to Japan around 1227, he wandered through… …
82Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …
83Victoria and Albert Museum — Coordinates: 51°29′48″N 0°10′19″W / 51.496667°N 0.171944°W / 51.496667; 0.171944 …
84Flag of Portugal — Infobox flag Name = Portugal Use = 110111 Proportion = 2:3 Adoption = June 30 , 1911 Design = A 2:3 vertically striped bicolor of green and red, with the lesser Use2 = 001000 Adoption2 = June 30, 1911 Proportion2 = 12:13 Design2 = As above, but… …
85File (tool) — A file (or hand file) is a hand tool used to shape material by cutting. A file typically takes the form of a hardened steel bar, mostly covered with a series of sharp, parallel ridges or teeth . Most files have a narrow, pointed tang at one end… …
86Sharpening — is the process of creating or refining a sharp edge of appropriate shape on a tool or implement designed for cutting. Sharpening is done by grinding away material on the implement with an abrasive substance harder than the material of the… …
87Go equipment — refers to the objects which are necessary in order to play the game of Go. Although the equipment is simple, there is a varying degree of quality and material used in making the equipment, from the economical to the extremely valuable. HistoryThe …
88Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… …
89Sacagawea dollar — United States Value 1 United States dollar Mass  8.100 g  (0.26 troy oz) Diameter  26.5 mm  (1.04 in) Thickness …
90permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
