Pretty much the same as they did 100 years ago but now they use machinary instead of doing it by hand. Cotton is cleaned and pulled through a comb to separate and straighten the fibers. Then they are...
2 Satellites are complex machine designed for a specific purpose, in the same way as aircraft carriers, and large jet liners. And their manufacture utilizes the same techniques. The vacuum...
Well violins are made from wood.
Things like triangles and bells are made from metal.
Not sure about plastic.
But something like a guitar uses all 3! Like a wood used for the body, metal for the...