Building Clean and prepare construction sites by removing debris, garbage, and trees. Load and unload building materials. Operate large powered machinery and equipment (e. g., saws, drills, grinders, blowtorches, pressure cleaners, jackhammers) . Operate construction-related equipment (e. g., driving trucks or forklifts / manlifts) . Mixing cement, sand, and water with a concrete mixer. Setting, pouring, leveling, and forming concrete. Control traffic passing near work areas by directing with signs, barricades, and traffic cones. Dig ditches or trenches using shovels, picks, and jackhammers.