Various forms of welding. Stick welding PVC & PVC pipe, Polypropylene, HDPE,to Free hand and extrusion welding.
Video of Extrusion Welding
https://www.facebook.com/1130165155/videos/345548545139597/
Playlist
https://www.youtube.com/watch?v=71xS8tD4r_0&list=PLj3hLTnGCJHZCx-CMn3tR6NQK3BkQF0rk
