combustible material
51List of R-phrases — R phrases (short for Risk Phrases) are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations . The list was consolidated and republished in… …
52Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …
53List of S-phrases — S phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations . The list was consolidated and republished in [http://europa.eu.int/eur lex/lex/LexUriServ/LexUriServ.do?uri …
54Brominated flame retardant — Brominated flame retardants are a group of flame retardants that consist of organic compounds containing bromine.InformationBrominated are the major type of chemical flame retardants, and are very effective in plastics and textile applications.… …
55Terra cotta — (Italian: baked earth ) is a ceramic. Its uses include vessels, water waste water pipes and surface embellishment in building construction. The term is also used to refer to items made out of this material and to its natural, brownish orange… …
56forestry — /fawr euh stree, for /, n. 1. the science of planting and taking care of trees and forests. 2. the process of establishing and managing forests; forestation. 3. forestland. [1685 95; < MF foresterie. See FOREST, RY] * * * Management of forested… …
57lamp — lampless, adj. /lamp/, n. 1. any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp. 2. a container for an inflammable liquid, as oil, which is burned at a wick as a means of… …
58Fireworks — Firework redirects here. For other uses, see Fireworks (disambiguation). Pyrotechnics portal …
59POTTERY — appears for the first time in the Neolithic period, around the middle of the sixth millennium B.C.E. For two reasons, it serves as a major tool for the archaeological study of the material culture of ancient man: first because of its extensive… …
60Congreve rocket — Rocket Rock et, n. [It. rocchetta, fr. rocca a distaff, of German origin. Named from the resemblance in shape to a distaff. See {Rock} a distaff.] 1. An artificial firework consisting of a cylindrical case of paper or metal filled with a… …
