MACHINES AND MACHINE TOOLS FOR TUBE SAWS, TUBE SQUARING MACHINES, PIPE CUTTING AND BEVELING MACHINES, TUBE SEVERING MACHINES, BOILER PIPE PREPARATION MACHINES, PIPE END PREPARATION MACHINES, FACER-LATHE MACHINES; MACHINES AND MACHINE TOOLS FOR FACING TUBES AND PIPES, COUNTERBORING PIPES, AXIAL-LATHING PIPES, THREADING PIPES, AND BENDING PIPES; MACHINES AND MACHINE TOOLS FOR PIPE JOINTING, INCLUDING WELDING, CRIMPING AND MECHANICAL JOINTS; HAND-HELD GRINDERS FOR CUTTING, GRINDING AND PLANING T...