covering+or+protecting+layer
91art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
92telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
93List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
94mollusk — molluskan, molluscan /meuh lus keuhn/, adj., n. mollusklike, adj. /mol euhsk/, n. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body,… …
95periosteum — periosteal, periosteous, adj. periosteally, adv. /per ee os tee euhm/, n., pl. periostea / tee euh/. Anat. the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer… …
96steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
97Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
98Poaceae — ▪ plant family Introduction formerly called Gramineae grass family of monocotyledonous flowering plants, a division of the order Poales. The Poaceae are the world s single most important source of food. They rank among the top five… …
99Rust — For other uses, see Rust (disambiguation). Colors of rust …
100Integumentary system — The Integumentary System is an organ system that protects the body from damage, comprising the skin, hair, scales, nails, sweat glands and their products (sweat and mucus). The integumentary system has a variety of functions; in animals, it may… …
