acid-resistant material
61Ottosdal, North West — Ottosdal is a small town which had a population of 1,274 in 1985. It is situated at an altitude of 1,479 meters (4,855 feet), on the branch railway line from Makwassie in the central North West Province of South Africa. Main routes to and from… …
62Thiers Issard — or Thiers Issard Sabatier is a French cutlery manufacturer; they are one of a number of companies using the Sabatier name. It exports a wide range of knives and straight razors to approximately thirty countries.… …
63Ottosdal — Country  South Africa Province North West Time zone SAST (UTC+2) …
64Mechanical plating — Mechanical plating, also known as peen plating, mechanical deposition, or impact plating, is a plating process that imparts the coating by cold welding fine metal particles to a workpiece. Mechanical galvanization is the same process, but applies …
65Destination Moon (Tintin) — Destination Moon (Objectif Lune) Cover of the English edition Publisher Casterman …
66Venus in fiction — In science fiction stories of the 1920s 1960s, the planet Venus was frequently described as a tropical planet, hot and misty, covered with jungle, swamps, and oceans. In 1918, chemist Svante Arrhenius, deciding that Venus cloud cover was… …
67Smoke hood — A smoke hood is a protective device similar in concept to a gas mask. A translucent airtight bag seals around the head of the wearer while an air filter held in the mouth connects to the outside atmosphere and is used to breathe. Smoke hoods are… …
68Benzidine — IUPAC name 4,4 diaminobiphenyl …
69chrysotile — /kris euh til/, n. Mineral. a fibrous variety of serpentine; asbestos. [1840 50; CHRYSO + Gk tílos something plucked] * * * Fibrous variety of the magnesium silicate mineral serpentine; it is the most important asbestos mineral. Individual fibres …
70acetate — ac·e·tate || æsɪteɪt n. salt or ester of acetic acid (Chemistry); fabric made of acetate fibers; sheet of clear plastic film; phonographic disk made of or coated with acetate; fire resistant material used as the base for film …
