How to repair a power cord that has been dog chewed.

Anyone who owns a dog, cat, or rabbit probably has had this happen at one time or another. And this is what the result usually looks like. So I’m going to show you how to fix this. The first thing you’ll want to do is take some cutters and just amputate the bad part of […]

Prevention and Control of Distortion in Arc Welding

In many fields of modern industry, electric arc welding is accomplishing miracles of production. Powerful diesel-electric locomotives are being made lighter and stronger, by using arc welds in place of bolts, rivets and castings. These penstock tubes at Shasta Dam were arc welded, to eliminate all joints which might otherwise leak or corrode. New methods […]