Education: No degree, certificate or diploma. Work site environment: Dusty. Cold/refrigerated. Dangerous. Hot. Noisy. Outdoors. Wet/damp. Work setting: Commercial. Residential. Sidewalks and curbs. Tasks: Operate power vibrators to compact concrete. Work at heights, on scaffolding or swing stages. Impart desired finish to concrete surfaces using hand and power tools. Install anchor bolts, steel plates, door sills and other fixtures. Type of materials: Hardners and epoxies. Light weight concrete. Mastic flooring. Reinforcing membrane and protective covering. Work conditions and physical capabilities: Physically demanding. Handling heavy loads. Bending, crouching, kneeling. Sound discrimination. Standing for extended periods. Own tools/equipment: Steel-toed safety boots. Safety glasses/goggles. Experience: 7 months to less than 1 year.