Welding testButane pwede bang panghinang o welding sa bakal |Butane vs. MAPP gas | Brazing Torch July 28, 2022 - Leave a Comment MekanikoThu, July 28, 2022 3:05amURL:Embed:comparison between hand torches, brazing fuels, MAPP and butane gas. test welding and brazing on different metals, steel, …