dust extraction plant
71Mauritania — Mauritanian, adj., n. /mawr i tay nee euh/, n. 1. Official name, Islamic Republic of Mauritania. a republic in W Africa, largely in the Sahara Desert: formerly a French colony; a member of the French Community 1958 66; independent 1960.… …
72Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
73Algae — For other uses, see Algae (disambiguation) and Alga (disambiguation). Algae Laurencia, a marine genus of Red Algae from Hawaii. Scientific classification …
74Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …
75evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
76nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
77extraterrestrial life — Introduction life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions. What are the basic requirements for life? Could life have arisen… …
78Nature — This article is about the physical universe. For other uses, see Nature (disambiguation). Natural and Natural World redirect here. For other uses, see Natural (disambiguation). See also: Natural environment Hopetoun Falls, Australia …
79Fiberglass — This article is about the plastic composite. For insulation material, see glass wool. For the fiber itself, see glass fiber. Fiberglass (also called glass reinforced plastic, GRP[1], glass fiber reinforced plastic, or GFRP[2]), is a fiber… …
80Ukraine — /yooh krayn , kruyn , yooh krayn/, n. a republic in SE Europe: rich agricultural and industrial region. 50,684,635; 223,090 sq. mi. (603,700 sq. km). Cap.: Kiev. Russian, Ukraina. Formerly, Ukrainian Soviet Socialist Republic. * * * Ukraine… …
