asbestos-cement products
71Eritrea — Eritrean, adj., n. /er i tree euh/; It. /e rddee trdde ah/, n. a republic in NE Africa, on the Red Sea: Italian colony 1890 1941; province of Ethiopia 1962 93; independent since 1993. 3,589,687; 47,076 sq. mi. (121,927 sq. km). Cap.: Asmara. * *… …
72floor covering — Finish material on floors, including wood strips, parquet, linoleum, vinyl, asphalt tile, rubber, cork, epoxy resins, ceramic tile, and carpeting. Wood strip flooring, attached to a subfloor of plywood, is most popular, especially for residences …
73Magnesium oxide wallboard — (10 mm thickness) Magnesium oxide more commonly called magnesia is a versatile mineral that when used as part of a cement mixture and cast into thin cement panels under proper curing procedures and practices can be used in residential and… …
74Oman — /oh mahn /, n. 1. Sultanate of. Formerly, Muscat and Oman. an independent sultanate in SE Arabia. 2,264,590; ab. 82,800 sq. mi. (212,380 sq. km). Cap.: Muscat. 2. Gulf of, a NW arm of the Arabian Sea, at the entrance to the Persian Gulf. * * *… …
75GAF Materials Corporation — is a company based in Wayne, New Jersey, that has roots dating back to the late 19th century. The GAF acroynym stands for General Aniline Film. The company has historically been primarily focused on manufacturing of roofing materials for… …
76Standard Industrial Classification — Le Standard Industrial Classification (classification normalisée des industries, abrégé en SIC) est un système de classification des industries utilisant quatre chiffres établi par le gouvernement des États Unis dans les années 1930. Il fut… …
77Philippines — /fil euh peenz , fil euh peenz /, n. (used with a pl. v.) an archipelago of 7083 islands in the Pacific, SE of China: formerly (1898 1946) under the guardianship of the U.S.; now an independent republic. 76,103,564; 114,830 sq. mi. (297,410 sq.… …
78Rio Tinto Group — Rio Tinto Limited plc Type Public company (ASX: RIO, LSE:  …
79Air pollution — from World War II production Smog over …
80Chlorine production — This article presents the industrial and laboratory methodologies to prepare elemental chlorine. Contents 1 Gas extraction 1.1 Mercury cell electrolysis 1.2 Diaphragm cell electrolysis (Bipolar) …
