Working from blueprints, piping and wiring diagrams, and engineering orders, the assembler lays out and mounts equipment; installs and connects piping, valves, pumps, gearboxes, mixers, condensers, and other components; runs conduit and wiring and mounts electrical components; insulates pipes and vessels and installs sheet metal finish work; and performs pressure, leak, and functional tests. Job Definition: PRI designs and manufactures solvent recycling, parts and container washing, filling and dispensing, and plastic recycling systems, as well as biowaste treatment systems such as effluent decontamination systems, tissue digesters, and autoclaves.