4 ms·

Also, copper welding involves the use of helium as shielding gas. Helium shortage is painful

• jimnotgym 7mo ago
  Interesting. Do you know why it uses helium?
  • vablings 7mo ago
    A few different reasons, none of which i feel qualified to explain. All of my knowledge is second hand from this video https://www.youtube.com/watch?v=RRxAANqmrL0 https://www.youtube.com/watch?v=RRxAANqmrL0 The man in the video is Chris Razer and he explains everything very well. I wish he had more long form content online for people to learn and understand