free water-cement ratio
91Ductile iron pipe — is a pipe commonly used for potable water distribution.[1] The predominant wall material is ductile iron, a spheroidized graphite cast iron, although an internal cement mortar lining usually serves to inhibit corrosion from the fluid being… …
92Panama — <p></p> <p></p> Introduction ::Panama <p></p> Background: <p></p> Explored and settled by the Spanish in the 16th century, Panama broke with Spain in 1821 and joined a union of Colombia, Ecuador,… …
93Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
94Austria — Austrian, adj., n. /aw stree euh/, n. a republic in central Europe. 8,054,078; 32,381 sq. mi. (83,865 sq. km). Cap.: Vienna. German, Österreich. * * * Austria Introduction Austria Background: Once the center of power for the large Austro… …
95cyprus — /suy preuhs/, n. Obs. cypress2. * * * Cyprus Introduction Cyprus Background: Independence from the UK was approved in 1960 with constitutional guarantees by the Greek Cypriot majority to the Turkish Cypriot minority. In 1974, a Greek sponsored… …
96Cyprus — /suy preuhs/, n. an island republic in the Mediterranean, S of Turkey: formerly a British colony; independent since 1960. 752,808; 3572 sq. mi. (9250 sq. km). Cap.: Nicosia. * * * Cyprus Introduction Cyprus Background: Independence from the UK… …
97Madagascar — <p></p> <p></p> Introduction ::Madagascar <p></p> Background: <p></p> Formerly an independent kingdom, Madagascar became a French colony in 1896 but regained independence in 1960. During 1992 93,… …
98Junagadh — This article is about the municipal corporation in India. For its namesake district, see Junagadh district. Junagadh (જૂનાગઢ)   city   …
99History of agriculture in the People's Republic of China — For over 4,000 years, China has been a nation of farmers. By the time the People s Republic of China was established in 1949, virtually all arable land was under cultivation; irrigation and drainage systems constructed centuries earlier and… …
100Cambodia — /kam boh dee euh/, n. a republic in SE Asia: formerly part of French Indochina. 11,163,861; 69,866 sq. mi. (180,953 sq. km). Cap.: Phnom Penh. Formerly, People s Republic of Kampuchea, Khmer Republic. * * * Cambodia Introduction Cambodia… …
