7 "Power tools, namely, weld shavers, portable ram dimplers, line pullgun dimplers, stationary dimplers, stationary resistothermic dimpling machines, positive feed drills, power bits, frangible collar tools, blind fastener tools, nut runners; torque control power tools used to install and remove aerospace fasteners, namely, pistol grip tools, flat offset tools, 20 degree offset tools, 90 degree offset tools; frangible collar power tools, namely, rotational torque ratchet