Tungsten, tseem hu ua wolfram, muaj ntau yam kev siv. Nws yog feem ntau siv los tsim cov xov hluav taws xob, thiab rau cov cua sov thiab hluav taws xob tiv tauj. Cov hlau tseem ceeb kuj tseem siv rau hauv vuam, hnyav hlau alloys, cua sov dab dej, turbine hniav thiab ua ib qho kev hloov rau cov hlau lead hauv cov mos txwv. Raws li lub mo...
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