Education: No degree, certificate or diploma. Tasks: Move tools, equipment and other materials. Signal safety procedures to other workers and to the general public. Help tradespersons, apprentices and other workers as directed. Clean machines and immediate work areas. Work conditions and physical capabilities: Physically demanding. Bending, crouching, kneeling. Work under pressure. Personal suitability: Flexibility. Organized. Reliability. Team player. Experience: Will train.