Detailed Work Activity Monitor equipment gauges or displays to ensure proper operation. Report vehicle or equipment malfunctions. Plan work operations. Record operational or production data. Control pumps or pumping equipment. Communicate with others to coordinate material handling or movement. Connect hoses to equipment or machinery. Measure the level or depth of water or other liquids. Monitor cargo area conditions. Clean machinery or equipment. Maintain material moving equipment in good working condition. Receive information or instructions for performing work assignments. Review work orders or schedules to determine operations or procedures. Monitor equipment operation to ensure proper functioning. Collect samples for analysis or testing. Load materials into equipment for processing. "Move materials, equipment, or supplies." "Test materials, solutions, or samples."