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едноезични примери (не са проверени от PONS редакцията)
If the amount of current used exceeds the capability of the electrode, tungsten inclusions in the weld may result.
en.wikipedia.org A related process, plasma arc welding, also uses a tungsten electrode but uses plasma gas to make the arc.
en.wikipedia.org This shielding can be ensured by the use of lead (common) or materials such as concrete (very large walls are therefore required) or even tungsten.
en.wikipedia.org The lamp with a tungsten filament is indeed the only design used now, but in 1906 they were too expensive.
en.wikipedia.org A small amount of thorium is added to the tungsten of the filament.
en.wikipedia.org