Abstract: An apparatus for slip-lining a pipeline with plastic pipe including a slip-line cable having four sections—a forward navigation section, an intermediate locking section connected to a back end of the forward navigation section, a rearward drive section connected to a back end of the intermediate locking section, and an impact driver connected to the rearward drive section. Also disclosed is a method for slip-lining a pipeline with plastic pipe.

Abstract: A spray gun is disclosed for use by professional hair stylists in spraying hair spray or hair setting substances on the hair of customers. The spray gun includes a rigid barrel and handle and a pivotal trigger which opens and closes needle valves mounted in the handle. One needle valve controls an air conduit while the other needle valve controls a liquid conduit and the needle valve of the air conduit is opened before and closed after the needle valve of the liquid conduit.