galvanized steel sheet
21Companhia Siderúrgica Nacional — Companhia Siderurgica Nacional (CSN) Type Sociedade Anônima Traded as BM F Bovespa …
22Hot-dip galvanizing — is a form of galvanization. It is the process of coating iron or steel with a thin zinc layer, by passing the steel through a molten bath of zinc at a temperature of around 860 °F (460 °C). When exposed to the atmosphere, pure zinc reacts with… …
23Galvanization — or galvanisation refers to any of several electrochemical processes named after the Italian scientist Luigi Galvani.MeaningsElectricityOriginally, galvanization was the administration of electric shocks (in the 19th century also termed Faradism …
24metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
25building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
26Business 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… …
27Shed — For other uses, see Shed (disambiguation). A rural shed …
28Rolling (metalworking) — A rolling schematic In metalworki …
29Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated …
30Rust — For other uses, see Rust (disambiguation). Colors of rust …
