coated plate
81Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …
82etching — /ech ing/, n. 1. the act or process of making designs or pictures on a metal plate, glass, etc., by the corrosive action of an acid instead of by a burin. 2. an impression, as on paper, taken from an etched plate. 3. the design so produced. 4. a… …
83offset printing — Lithog. offset (def. 6). * * * or offset lithography or litho offset In commercial printing, a widely used technique in which the inked image on a printing plate is imprinted on a rubber cylinder and then transferred (offset) to paper or other… …
84Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
85Sharpening stone — Waterstone redirects here. For the British bookstore chain, see Waterstone s. An oil stone Sharpening stones, water stones or whetstones are used to grind and hone the edges of steel tools and implements. Examples of items that may be sharpened… …
86building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
87ship construction — Introduction complex of activities concerned with the design and fabrication of all marine vehicles (ship). Ship construction today is a complicated compound of art and science. In the great days of sail, vessels were designed and… …
88Magnetic stirrer — A stir bar mixing a solution on a combined hot plate magnetic stirrer device. The left knob controls the stirring rate and the right knob controls heating. Other names Magnetic mixer Uses Liquid mixing Inventor …
89telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
90Grilling — Charbroil redirects here. For the G.I. Joe character, see Charbroil (G.I. Joe). Grilled redirects here. For the 2006 film, see Grilled (film). For Breaking Bad episode, see Grilled (Breaking Bad). Grilling mangals and kebabs …
