zinc-coated sheet
61Electroluminescence — Animation of LCD, both unlit and with electroluminescent backlight switched on …
62Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …
63Companhia Siderúrgica Nacional — Companhia Siderurgica Nacional (CSN) Type Sociedade Anônima Traded as BM F Bovespa …
64Galvanic corrosion — This new manifold for water meters has replaced the old one after 4 years of use, having been connected directly to a copper pipe in the building (0.85 V of potential difference, see the point of corrosion in the bottom left). With a PVC battery… …
65Dip soldering — apparatus. Dip soldering is a small scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly. The solder wets to the exposed metallic areas of the board (those not… …
66Prepress proofing — Main article: Prepress A Contract Proof[1] usually serves as an agreement between customer and printer and as a color reference guide for adjusting the press before the final press run.[2] Most contract proofs are a Prepress Proof.[3] The primary …
67Mechanical plating — Mechanical plating, also known as peen plating, mechanical deposition, or impact plating, is a plating process that imparts the coating by cold welding fine metal particles to a workpiece. Mechanical galvanization is the same process, but applies …
68Etching — For other uses of etch or etching, see Etching (disambiguation), for the history of the method, see old master prints. The Soldier and his Wife. Etching by Daniel Hopfer, who is believed to have been the first to apply the technique to… …
69Collodion process — An old deteriorated wet plate featuring Theodore Roosevelt The collodion process is an early photographic process. It was introduced in the 1850s and by the end of that decade it had almost entirely replaced the first practical photographic… …
70Thin layer chromatography — Separation of black ink on a TLC plate Acronym TLC Classification Chromatography Other techniques Related …
