Hand-operated pipe-tapping machines; Hand-operated hot-tapping machines; Manually-operated tools and equipment for making a connection to existing polyethylene piping or pressure vessels without interrupting or emptying that section of pipe or vessel, namely, pipe-tapping machines, ratchet handles, cutters, cutter pilots, boring bars, tubes, feed tube stops, wrenches, clamps, adapters, retention clips, piping and valve assembly sets, and end caps with an integrated pressure gauge; Manually-op...