grinding rolls
51Lapping — is a machining operation, in which two surfaces are rubbed together with an abrasive between them, by hand movement or by way of a machine.This can take two forms. The first type of lapping (traditionally called grinding), typically involves… …
52Mamod — Type Private Industry Toys Founded 1937 Founder(s) Geoffrey Malins …
53Knight Engine — The Knight Engine was an internal combustion engine, designed by Charles Yale Knight (1868 1940), that used sleeve valves instead of the more common poppet valve construction. HistoryBorn in Indiana in 1868, Knight was originally a printer and… …
54Buckshot (rapper) — Infobox musical artist 2 Name = Buckshot Img capt = Img size = Landscape = Background = solo singer Birth name = Kenyatta Blake Alias = Buckshot Shorty, The BDI Thug Origin = Brooklyn, New York City, New York Genre = Hip hop Years active = 1992 – …
55History of chocolate — Traités nouveaux curieux du café du thé et du chocolate , by Philippe Sylvestre Dufour, 1685. The history of chocolate begins in Mesoamerica. Chocolate, the fermented, roasted, and ground beans of the Theobroma cacao, can be traced to the Mokaya… …
56Petrosomatoglyph — This footprint carved into the rock on Dunadd, in Argyll, is linked to the crowning of the Scots kings of Dál Riata. A petrosomatoglyph is an image of parts of a human or animal body incised in rock. Many were created by Celtic peoples, such as… …
57Emotiv Systems — is an Australian origin [ [http://emotiv.com/corporate/5 0/5 1.htm Contact ] ] electronics company developing brain computer interfaces based on electroencephalography (EEG) technology. Emotiv Systems was founded in 2003 by four scientists and… …
58reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …
59Pulp (paper) — Fibres in wood pulp Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fibre crops or waste paper. Wood pulp is the most common raw material in papermaking. Contents …
60Book — A book is a set or collection of written, printed, illustrated, or blank sheets, made of paper, parchment, or other material, usually fastened together to hinge at one side. A single sheet within a book is called a leaf, and each side of a leaf… …
