to feed drilling tool
61Throw lathe — Lathe Lathe (l[=a][th]), n. [OE. lathe a granary; akin to G. lade a chest, Icel. hla[eth]a a storehouse, barn; but cf. also Icel. l[ o][eth] a smith s lathe. Senses 2 and 3 are perh. of the same origin as lathe a granary, the original meaning… …
62Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
63materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
64community ecology — Introduction study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat. As populations of species interact with one …
65Killer whale — Orca redirects here. For other uses, see Orca (disambiguation). Killer whale[1] …
66Down-the-hole drill — A Down The Hole Drill Called DTH in most drilling terms. The down the hole drill is basically a mini jack hammer that screws on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust and is blown clear by …
67Coral reef — Marine habitats Biodiversity of a coral reef Lit …
68Fabrication of structural steel by plasma and laser cutting — Fabrication of dimensional (non flat) structural steel elements has historically been performed by sequential operations involving sawing, drilling and high temperature flame cutting to remove material. Each of these operations is performed on… …
69Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …
70Stem cell — Mouse embryonic st …
