activity direct costs
51Corrosion — v · d · e Materials failure modes Buckling · …
52Human-capital theory — This is a moden extension of Adam Smith s explanation of wage differentials by the so called net (dis)advantages between different employments. The costs of learning the job are a very important component of net advantage and have led economists… …
53Vehicle insurance — Vehicle insurance, in exchange for a premium, will pay valid claims arising out of traffic collisions Vehicle insurance (also known as auto insurance, gap insurance, car insurance, or motor insurance) is insurance purchased for cars, trucks,… …
54С — Сальдо (balance) Cальдо внешней торговли [balance of trade] Сальдо государственного бюджета [balance of state budget] Сальдо торгового баланса см. Сальдо внешней …
55Fertility awareness — Background Birth control type Behavioral First use 1950s (mucus) mid 1930s (BBT) 1930 (Knaus Ogino) Ancient (ad hoc) Failure rates (first year) Perfect use Symptoms based: 1 3% Calendar based: 5 9% …
562007 New York City steam explosion — Rising steam from the explosion The cloud of steam, from th …
57Cylindrospermopsin — CYL redirects here. For the Polish footballer, see Wawrzyniec Cyl. Cylindrospermopsin IUPAC name …
58El Nino's Impact on Oceania — ▪ 1999 by Barrie MacDonald During 1997 98 the El Niño weather pattern wreaked more havoc and destruction on the Pacific Islands than it had since 1982 83. The adverse effects included severe drought in the western Pacific, an increased… …
59Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
60United 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… …
