How old style light bulbs are made

Making a light bulb with a tungsten filament is a little complicated. The filament starts out 20" long. <https://www.bing.com/videos/search?q=engineerguy+youtube&ru=%2fvideos%2fsearch%3fq%3dengineerguy%2byoutube%26qpvt%3dengineerguh%2byoutube%26FORM%3dVDRE&view tail&midF6044ECFA777D3CE41B6F6044ECFA777D3CE41&rvsmid1D328C32BC8F6F4DA4951D328C32BC8F6F4DA4&FORM=VDQVAP>
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