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It kinda depends on what kind of bulb incandescent lights use filaments and emit heat, for example
i think even more than 100,000 items
238, until he settled upon tungsten.
Joseph Swan invented carbon filaments.
Tungsten is always in light bulb filaments :)
Tungsten is used in filaments of light bulbs.
Light bulb filaments.
Lewis Latimer improved the light bulb.
It is usually Tungsten.
filament is the source of light which gives to the plant to do a photosynthesis..
u tell me
It is a part of a bulb
Tungsten is the most common today.