corundum brick
1Aluminium oxide — Alumina redirects here. For the company, see Alumina Limited. This article is about aluminium(III) oxide Al2O3. For other uses, see Aluminium oxide (disambiguation). Aluminium oxide …
2Diamond tool — A close up of the segment of a diamond saw blade A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method.[1] As diamond is a superhard material, diamond tools have… …
3aluminum processing — Introduction preparation of the ore for use in various products. Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …
4Crystal skull — This article is about The Crystal Skulls. For other uses, see Crystal skull (disambiguation). The crystal skull at the British Museum (ID Am1898C3.1 ), similar in dimensions to t …
5Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
6silicon carbide — Chem. a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures. [1900 05] * * * ▪ chemical compound Introduction exceedingly hard, synthetically produced… …
7asphalt — Synonyms and related words: Formica, Masonite, Tarmac, Tarvia, alabaster, amphibole, antimony, apatite, aplite, arsenic, asbestos, azurite, bauxite, bitumen, bituminous macadam, blacktop, boron, brick, brimstone, bromine, brucite, calcite, canvas …
