electric-arc drilling
41performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
42List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
43tungsten processing — Introduction preparation of the ore for use in various products. Tungsten exhibits a body centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for… …
44National Energy Technology Laboratory — The National Energy Technology Laboratory (NETL) is a science, technology, and energy laboratory owned and operated by the U.S. Department of Energy (DOE). As part of DOE s national laboratory system, NETL supports DOE s mission to advance the… …
45surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… …
46Allotropes of carbon — Eight allotropes of carbon: a) Diamond, b) Graphite, c) Lonsdaleite, d) C60 (Buckminsterfullerene or buckyball), e) C540, f) C70, g) Amorphous carbon, and h) single walled carbon nanotube or buckytube. This is a list of the allotropes of carb …
47United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
48Paris Métro Line 14 — Line 14 Year opened 1998 Last extension 2007 Rolling stock MP 89 6 carriages per trainset Stations served 9 Terminal stations …
49Windfall profits tax — A windfall profits tax is a higher tax rate on profits that ensue from a sudden windfall gain to a particular company or industry. United StatesIn 1980, the United States enacted the Crude Oil Windfall Profit Tax Act (P.L. 96 223) as part of a… …
50Megadeus — The Big three megadeuses of the series. Left to right: Big Fau, Big Duo and Big O. Megadeus (メガデウス, Megadeusu …
