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Son etkinlik 3 yıl 12 ay önce
What is tungsten?
Tungsten, meaning “heavy stone” in Swedish, is a very hard and heavy silver gray rare metal. With the highest melting point among metals, tungsten has a relatively large electric resistance as a metal, so it is used for heaters and reflectors in furnaces exceeding 2000℃.
It also becomes a hard alloy when mixed with carbo […] Görüntüle
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