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Millesimal fineness is a system of denoting the purity of platinum, gold and silver alloys by parts per thousand of pure metal by mass in the alloy. For example, an alloy containing 75% gold is denoted as "750".
Ternary plot of different colors of Ag–Au–Cu alloys [1]. Colored gold is the name given to any gold that has been treated using techniques to change its natural color. Pure gold is slightly reddish yellow in color, [2] but colored gold can come in a variety of different colors by alloying it with different elements.
In the United States, the quality of gold-filled composite is defined by the Federal Trade Commission (FTC). If the gold layer is 10kt fineness, the minimum weight of the plated layer on an item stamped gold-filled marks according to the Federal Trade Commission (FTC) must equal at least 1 ⁄ 20th of the total weight of the item.
PG 7–9PG: 7–9PG: 13 16 18 XX: Introduced in 1996 to combat the extensive child abuse in South Africa. PG 10–12PG: 10–12PG: X18: South Korea: ALL 12 15 19 Refused classification Before 2006, video games released in South Korea were rated by KMRB. There's age-restricted for rating 12 and 15, but unpunished. [8] Taiwan: 0+ 6+ 12+ 15+ 18+ N ...
PG 13: Customer may be aged 13 years and under, but must be accompanied by someone 13 years old or older. Please note content may not be appropriate for 13 years and below, booking to be at the discretion of guardians and parents. PG 15: Customer may be aged 15 years and under, but must be accompanied by someone 15 years old or older. Please ...
An assortment of PG cable glands.Similar glands with DIN/ISO metric threads are also available. The Stahlpanzerrohrgewinde (German: [ˈʃtaːlˌpantsɐʁoːɐ̯.ɡəˌvɪndə], "steel conduit thread") standard for screw threads, more often called by the shortened Panzergewinde (German: [ˈpantsɐɡəˌvɪndə]), was a technical standard created in Germany and subsequently used in Switzerland ...
The watch comes in stainless steel, and two-tone stainless steel and 18k yellow or 18k everose gold (Rolex's version of rose gold) bracelets. The 2016 41mm Datejust is on an Oyster or Jubilee bracelet.
Silver-gilt or gilded/gilt silver, sometimes known in American English by the French term vermeil, is silver (either pure or sterling) which has been gilded.Most large objects made in goldsmithing that appear to be gold are actually silver-gilt; for example, most sporting trophies (including medals such as the gold medals awarded in all Olympic Games after 1912) [1] and many crown jewels are ...