Sets up and operates torque drivers and torque meters, seating and rivet stations, prestress equipment, marking and serialization equipment, scales, gage pins, height gages, drop gages, indicators, and approved assembly fixtures used for prototype work. Processes and supports prototype arms, guides, sprockets, mechanical and hydraulic tensioners, center bolts, solenoids, check valves, pressure-relief valves, timing chains, and Variable Cam Timing (VCT) phaser units in accordance with applicable work instructions and project requirements.