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Aluminium foil (or aluminum foil in American English; occasionally called tin foil) is aluminium prepared in thin metal leaves. The foil is pliable and can be readily bent or wrapped around objects. Thin foils are fragile and are sometimes laminated with other materials such as plastics or paper to make them stronger and more useful.
The content of aluminium ranges mostly between 5% and 11%. Iron, nickel, manganese and silicon are sometimes added. They have higher strength and corrosion resistance than other bronzes, especially in marine environment, and have low reactivity to sulphur compounds. Aluminium forms a thin passivation layer on the surface of the metal. Bell metal
The primary aluminum production and processing activities were transferred to AMAG Metall GesmbH, Ranshofen, the secondary aluminum business to Austria Sekundär-Aluminium GesmbH, Ranshofen, the copper smelter to Montanwerke Brixlegg GesmbH, Brixlegg (51% of this company was sold to Metallgesellschaft Austria AG, Vienna, in 1989), and the semi ...
National Aluminium Company Limited (abbreviated as NALCO; incorporated in 1981) is an Indian public sector company having integrated and diversified operations in mining, metal and power. Presently, the Government of India holds a 51.28% equity stake in NALCO, [ 2 ] while the Ministry of Mines has administrative control over the company.
The shares comparison between the Indonesian government and Nippon Asahan Aluminium Co., Ltd. at the time was 10% and 90%, respectively. The shares later changed gradually: in October 1978 the shares became 25% and 75%, in June 1987 it became 41.13% with 58.87%, and since February 10, 1998 it became 41.12% with 58.88%.
A house with attap roof and walls. Image: Tropenmuseum. Detail of attap roof thatching. An attap dwelling is traditional housing found in the kampongs of Brunei, Indonesia, Malaysia and Singapore.
The toxicology of AlGaInP has not been fully investigated. The dust is an irritant to skin, eyes and lungs. The environment, health and safety aspects of aluminium indium gallium phosphide sources (such as trimethylgallium, trimethylindium and phosphine) and industrial hygiene monitoring studies of standard MOVPE sources have been reported in a ...
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).