clay grinding
51CoorsTek — CoorsTek, Inc. Type Private Industry Ceramics, Semiconductors Founded Golden, Colorado, U.S. (1920) Founder(s) Adolph Coors, Sr. Headquarters …
52Portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln. Also, portland cement. [1815 25; named after the Isle of Portland, Dorsetshire, England] * * * Binding agent of present day concrete. It is a finely… …
53Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …
54Olive oil — Not to be confused with the cartoon character Olive Oyl. Olive oil A bottle of olive oil Fat composition Saturated fats Palmitic acid: 7.5–20.0% Steari …
55Abrasive — An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. While finishing a material often means polishing it to gain a smooth, reflective surface …
56Marble (toy) — For the stone, see marble. For other uses, see Marble (disambiguation). Hand made marbles from West Africa …
57Ball mill — A ball mill is a type of grinder used to grind materials into extremely fine powder for use in paints, pyrotechnics, and ceramics. Description because of their sensitivity to impact. High quality ball mills are potentially expensive and can grind …
58Mississippian stone statuary — Map showing geographical extent of Mississippian stone statues The Mississippian stone statuary are artifacts of polished stone in the shape of human figurines made by members of the Mississippian culture (800 to 1600 CE) and found in… …
59Palygorskite — A sample of Palygorskite General Category Phyllosilicate Chemical formula …
60Egyptian faience — is a non clay ceramic displaying surface vitrification which creates a bright blue green luster. It is called Egyptian faience to distinguish it from Faience which refers to the ambiguous term frit and a type of pottery now know as majolica: a… …
