Transporting crushed rock, sand, and gravel to and from specified locations. Verifying the types of materials being transported and ensuring that they do not exceed weight restrictions. Ensuring that the materials are loaded correctly onto the dump truck. Greasing the dump truck every 5,000 miles. Inspecting the dump truck before and after every trip, which includes checking the oil, gas and water levels as well as the lights and tires. Promptly reporting any accidents, injuries or mechanical faults to management.