Unique hurdles to underwater search

NEW CHALLENGES FINDING THE PLANE AND ITS BLACK BOXES. CNN’S TOM FOREMAN EXPLAINS.>>REALLY WHAT WE’RE TALKING ABOUT IS TWO SEARCHES BECAUSE YOU HAVE SEARCH ABOVE THE WATER UP HERE, GOING ON FOR DAYS AND HAS BEEN PRODUCING NO REAL RESULTS, A LOT OF KAG ACCUMULATION BUT NO PHYSICAL CLUE, THEN YOU HAVE A THE SEARCH […]

Learn How to TIG Weld 4130 Tubing

4130 chromoly material is common in tubing applications, especially in racing or areas where you want higher strength steel. 4130 is a temperature-sensitive base metal, so we have to take some precautions when welding it. This is what 4130 looks like when you get it. To prepare it for welding, we actually will grind the […]