How it’s Made: Hex key wrenches
https://www.youtube.com/watch?v=elPi42Ul9BA
https://www.youtube.com/watch?v=elPi42Ul9BA
If you can get past the poor title, irrelevant thumbnail and soundtrack that will numb your ears after a while, a wonderful look into auto manufacturing in the 1930s. An impressive survey of the many skills and processes involved. You’d be hard pressed to find elsewhere such beautiful shots of asbestos dust or men putting their arms or entire bodies inbetween rapidly moving heavy machinery.
https://www.youtube.com/watch?v=UY4RZ-FEi6M