abrasive cut-off machine
51Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
52Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …
53coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
54Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
55interior design — 1. the design and coordination of the decorative elements of the interior of a house, apartment, office, or other structural space, including color schemes, fittings, furnishings, and sometimes architectural features. 2. the art, business, or… …
56Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
57Chainsaw — For other uses, see Chainsaw (disambiguation). An arborist using a chainsaw to fell a eucalyptus tree A chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic power, or most common …
58Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …
59Turret lathe — Hartness 3x36 flat turret lathe with cross sliding head, equipped for bar work, 1910.[1] The turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are… …
60Machinability — The term machinability refers to the ease with which a metal can be machined to an acceptable surface finish.Degarmo, p. 542.] Materials with good machinability require little power to cut, can be cut quickly, easily obtain a good finish, and do… …
