plating coating
61Materials for use in vacuum — are materials showing very low rate of outgassing in vacuum, and, where applicable, tolerant to the bake out temperatures. The requirements grow increasingly stringent with the desired degree of vacuum achievable in the vacuum chamber. The… …
62Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …
63Anodizing — Anodizing, or anodising, is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts. Anodizing increases corrosion resistance and wear resistance, and provides better adhesion… …
64nickel processing — Introduction preparation of the metal for use in various products. Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a… …
65Pontypool japan — In the late 17th century, there was a developing trade in metal goods made of thin iron sheet, spurred by development of the rolling mill. Rust proofing this iron was obviously important. Tin plating had been developed in Germany, and British… …
66photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates …
67Penny (United States coin) — Cent (Penny) United States Value 0.01 of a U.S. dollar Mass  2.5 g  (0.080 troy oz) Diameter  19.05 mm  (0.750 in) Thickness …
68Colored gold — Ternary plot of different colors of Ag Au Cu alloys While pure gold is yellow in color, colored gold can be developed into various colors. These colors are generally obtained by alloying gold with other elements in various proportions. For… …
69Royal Canadian Mint — Infobox Government agency agency name = Royal Canadian Mint logo width = 250px logo caption = seal caption = formed = January 2, 1908 jurisdiction = Federal government of Canada headquarters = Ottawa, Ontario employees = Approx. 700 (2006) [… …
70Leather production processes — The leather manufacturing process is divided into 3 fundamental sub processes: preparatory stages, tanning and crusting. All true leathers will undergo these sub processes. A further sub process, surface coating can be added into the leather… …
