belt tension drum
61photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates …
62technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
63List of Saturday Night Live commercial parodies — This television related list is incomplete; you can help by expanding it. The following is a partial list of Saturday Night Live commercial parodies. On Saturday Night Live (SNL), a parody advertisement is commonly shown after the host s opening… …
64Tang Dynasty — For the band, see Tang Dynasty (band). Tang 唐 ← …
65Crystallization — Crystallizing and Crystallized redirect here. For the action adventure video game, see Crystalis. For the 2009 song by The xx, see Crystalised. For other uses, see Crystallization (disambiguation). Crystallization …
66Shea butter — or Shea nut butter is a slightly yellowish or ivory colored natural fat extracted from fruit of the shea tree by crushing and boiling. Shea butter is widely used in cosmetics as a moisturizer and an emollient. Shea butter is also edible. It is… …
67Froth 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… …
68Mercedes 35 hp — Manufacturer Daimler Motoren Gesellschaft Production 1901 Predecessor Daimler Phoenix …
69Ostwald ripening — Basic schematic of the Ostwald ripening process Ostwald ripening is an observed phenomenon in solid solutions or liquid sols which describes the change of an inhomogeneous structure over time. In other words, over time, small crystals or sol… …
70Suspension (motorcycle) — A motorcycle s suspension serves a dual purpose: contributing to the vehicle s handling and braking, and providing safety and comfort by keeping the vehicle s passengers comfortably isolated from road noise, bumps and vibrations. The typical… …
