zinc-plated
61Glossary of numismatics — For banknote collecting, see Notaphily terminology. For stamp collecting, see Philately. Numismatics Terminology …
62Canadian dollar — Infobox Currency currency name in local = dollar canadien fr icon image 1 =CAD50 Front.png image title 1 = Fifty dollar bill image 2 = Loonie reverse view.png image title 2 = One dollar coin iso code = CAD using countries = flag|Canada inflation… …
63Sheffield plate — is a layered combination of silver and copper that was used for many years to produce a wide range of household articles. These included buttons, caddy spoons, serving utensils, candlesticks and other lighting devices, tea and coffee services,… …
64Whisker (metallurgy) — Silver whiskers growing out of surface mount resistors Metal whiskering is a crystalline metallurgical phenomenon involving the spontaneous growth of tiny, filiform hairs from a metallic surface. The effect is primarily seen on elemental metals… …
65Etching — 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… …
66Nickel–cadmium battery — From top to bottom – Gumstick , AA, and AAA Ni–Cd batteries. specific energy 40–60 W·h/kg energy density 50–150 W·h/L specific power 150& …
67South Korean won — 대한민국 원 (Hangul) 大韓民國 圓1 (Hanja) …
68Nickel–iron battery — specific energy 30[1] −50[2] Wh/kg energy density 30[1] Wh/l specific power …
69Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… …
70Electrolyte — This article is about the ionic solution. For the R.E.M. song, see Electrolite. In chemistry, an electrolyte is any substance containing free ions that make the substance electrically conductive. The most typical electrolyte is an ionic solution …
