Education: Secondary (high) school graduation certificate. Tasks: Fill hollows and remove spots on freshly poured cement. Operate power vibrators to compact concrete. Level top surface concrete according to grade and depth specification. Impart desired finish to concrete surfaces using hand and power tools. Apply hardening and sealing components to cure surfaces. Repair, resurface and replace worn or damaged sections of concrete structures. Work conditions and physical capabilities: Physically demanding. Experience: 2 years to less than 3 years.