type of insulating material
51aluminum processing — Introduction preparation of the ore for use in various products. Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …
52Van de Graaff, Robert Jemison — ▪ American physicist and inventor born Dec. 20, 1901, Tuscaloosa, Ala., U.S. died Jan. 16, 1967, Boston, Mass. American physicist and inventor of the Van de Graaff generator, a type of high voltage electrostatic generator that serves as a… …
53beekeeping — /bee kee ping/, n. the rearing and breeding of honeybees; apiculture. [1830 40; BEE1 + KEEPING] * * * or apiculture Care and manipulation of honeybees to enable them to produce and store more honey than they need so that the excess can be… …
54Synthetic rubber — is any type of artificially made polymer material which acts as an elastomer. An elastomer is a material with the mechanical (or material) property that it can undergo much more elastic deformation under stress than most materials and still… …
55Pain — This article is about physical pain. For pain in the broader sense, see Suffering. For other uses, see Pain (disambiguation). Pain A sports player in pain. ICD 10 R52 …
56Quilting — is a sewing method done either by hand, by sewing machine, or by a longarm quilting system. The process uses a needle and thread to join two or more layers of material together to make a quilt. Typical quilting is done with three layers: the top… …
57Interrupter gear — is a term that covers two related technologies. The first is the synchronization gear, which is often incorrectly referred to as interrupter gear ; this is a triggering device attached to the machine gun armament of a tractor type fighter… …
58Vehicle armour — For body armour see armour, for armoured forces see armoured warfare, for other uses see armour (disambiguation).Military vehicles are commonly armoured to withstand the impact of shrapnel, bullets, missiles, or shells, protecting the personnel… …
59Diagonal pliers — with uninsulated handles. Diagonal pliers (or wire cutters or diagonal cutting pliers) are pliers intended for the cutting of wire (they are generally not used to grab or turn anything). They are sometimes called side cutting pliers or side… …
60Railway electrification system — Railway electrification supplies electrical energy to railway locomotives and multiple units so they can operate without having a reciprocating engine of their own.CharacteristicsThe main advantage of electric traction is a higher power to weight …
