Ze_ntix on Instagram: "The instagram post by @ASMR_video_ showcases a video demonstrating four different welding techniques, each represented by a distinct weld bead on a metal plate, with corresponding symbols indicating the technique used. The techniques shown are likely variations of common welding methods such as MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), Stick (Shielded Metal Arc Welding), and possibly Flux-Cored Arc Welding, each producing unique bead patterns due to differences in h