The concepts of pre-stressed steel fabrication have been around for ages, but they are not often applied for simple welded structures like trailer frames or crane stands.
Welding
Video – Mig Welding Fire
I grew up with a fascination for metals. My father was a woodworker, and taught me young, so I have always built stuff from wood. Yet, metal is different, and welding beats glue in the fun department any day! And Mig Welding is just one path to the fun.