soluble metal-working oil
41Microwave oven — A modern microwave oven …
42Cannabis cultivation — Typical home grown organic sinsemilla bud compared to a cigarette pack. This article presents common techniques and facts regarding the cultivation of the flowering plant cannabis, primarily for the production and consumption of marijuana buds.… …
43cereal processing — Introduction treatment of cereals (cereal) and other plants to prepare their starch for human food, animal feed, or industrial use. Nutrient composition of selected raw cereal grains (per 100 grams)Cereals, or grains, are members of… …
44Solar cell — A solar cell made from a monocrystalline silicon wafer …
45Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
46Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
47Carbon dioxide — Carbon dioxide …
48Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
49Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …
50Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
