corrugated sheet
61Nissen hut — in Port Lincoln, South Australia, in the process of being converted into the John Calvin Presbyterian Church in the early 1950s. It was demolished in the late 1960s …
62Die cutting (web) — A clicking machine from 1922, used to die cut leather Schematic of th …
63Mica — For other uses, see Mica (disambiguation). Rock with mica …
64Cold formed steel — (CFS) is the common term for products made by rolling or pressing thin gauges of sheet steel into goods. Cold formed steel goods are created by the working of sheet steel using stamping, rolling, or presses to deform the sheet into a usable… …
65Architectural metals — used in buildings and structures are comprised of several distinctive metallic materials. Metals serve a wide variety of uses in the built landscape, including structural features, such as nails and trusses, as well as decorative features, such… …
66Clay minerals — Oxford Clay (Jurassic) exposed near Weymouth, England. Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations. Clays have structures similar to… …
67Envelope — This article is about envelopes in packaging. For other uses, see Envelope (disambiguation). Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address …
68Sharon Steel Corporation — The Sharon Steel Corporation was one a steel plant, and is notable due to its contribution toward the growth of the iron and steel industry in the Shenango River Valley, Mercer County, Pennsylvania. The longest surviving was the Sharon Iron… …
69Corrugate — Cor ru*gate ( g?t), v. t. [imp. & p. p. {Corrugated} ( g? t?d); p. pr. & vb. n. {Corrugating} ( g? t?ng).] To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to… …
70Corrugating — Corrugate Cor ru*gate ( g?t), v. t. [imp. & p. p. {Corrugated} ( g? t?d); p. pr. & vb. n. {Corrugating} ( g? t?ng).] To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or… …
