Vacuum metalized tungsten filament wani nau'i ne na kayan shafa mai cinyewa, wanda aka yi amfani da shi sosai a cikin masana'antar feshi ta fuskar bututun hoto, madubai, wayoyin hannu, robobi daban-daban, abubuwan halitta, abubuwan ƙarfe na ƙarfe, da kayan ado daban-daban. To menene...
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