Search Results for: Jewellery articles of precious metal
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https://kr.kompass.com/c/croire-vision-co-ltd/kr001248/
& plastics construction energy, environment education, training & organisations it, internet, r&d leisure & tourism electrical, electronics & optical metals, machinery & engineering retail & traders paper, printing, publishing minerals business services textiles, clothing, leather, watchmaking, jewellery
industry machinery and equipment chemicals, pharmaceuticals & plastics chemical base materials plastic products chemical products chemical industry plant and equipment rubber and plastic industry plant and equipment health, medical and pharmaceutical rubber products construction furniture and linen metal...
https://cn.kompass.com/a/printing-and-publishing/17/
conductivity . a freshly exposed surface of pure copper has a pinkish-orange color . copper is used as a conductor of heat and electricity, as a building material , and as a constituent of various metal alloys , such as sterling silver used in jewelry , cupronickel used to make marine hardware and coins
metal to be smelted from sulfide ores, c. bc; the first metal to be cast into a shape in a mold, c. bc; and the first metal to be purposefully alloyed with another metal, tin , to create bronze , c. bc. [ ] in the roman era , copper was mined principally on cyprus , the origin of the name of the metal...
https://en.wikipedia.org/wiki/Copper