Mechanical Apprentice. . Apply, remove, and repair insulation on equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, hot and cold pipes, storage tanks and vessels, to help control noise and maintain temperatures. . MUST HAVE OKLAHOMA WORKKEYS SCORES. . RESPONSIBILITIES. Reads and interprets blueprints, instructions, and other documentation or plan work activities. Determines the amounts and selects required insulation...