There are always rivets, nuts and bolts and other such fasteners. Products can be composed of interlocking parts (slid into place and then locked) so that stres

There are always rivets, nuts and bolts and other such fasteners. Products can be composed of interlocking parts (slid into place and then locked) so that stresses are dispersed w/o welding. But perhaps a talk with someone who is or has been a welder might best boost your confidence.