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ong>Answer:

The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten. Whenever an electric current goes through the filament, the filament glows. ... To make the bulb produce more light, the filament is usually made of coils of fine wire, ALSO known as the coiled coil.

No. Rubber is a kind of gummy material that's hot-pressed into a MOLD in which it will COOL down and vulcanize. When rubber vulcanizes, it becomes solid and HOLDS its shape.



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