Analysis Skills, Construction, Earthmoving/Earthworks, English Language, Equipment Maintenance/Repair, Excavation, Hazardous Materials/Substances, Heavy Equipment/Vehicles, Housekeeping/Cleaning, Mathematics, Mine Safety and Health Administration (MSHA), OSHA, Polymers, Regulations, Risk Management, Safety/Work Safety, Soil Mechanics, Surveillance, Testing, Time Management, Willing to Travel