Insimbi ye-Tungsten (i-tungsten carbide) inochungechunge lwezakhiwo ezinhle kakhulu njengokuqina okuphezulu, ukumelana nokugqoka, amandla amahle nokuqina, ukumelana nokushisa nokumelana nokugqwala, ikakhulukazi ubulukhuni bayo obuphezulu nokumelana nokugqoka, ngisho nasezingeni lokushisa elingu-500 ℃. Ihlala ingashintshile, a...
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