If you rip out the drywall and flooring in your house, you will discover several intricate pipe systems. These pipes are there for plumbing purposes, and a crack or leak in any of them can create serious water damage. In certain places, you will notice that the pipes are curved, and they bend to accommodate a change of direction.
At the point where the pipe turns or curves, you may notice what looks like additional metal that appears to have been pasted on top of the original piping. This usually means that two pipes have been welded together for continuity, and that your piping is probably fairly old. In newer homes, most pipes are already bent when they are fasted to the plumbing system, and these curves are created by tube bending machines.
Some of the most common ways to bend a pipe or tube inc