Education: Secondary (high) school graduation certificate. Work site environment: Dusty. Noisy. Work setting: Residential. Tasks: Apply successive coats of compound and sand seams and joints. Clean and prepare surfaces. Cut and install metal corner beads to protect exterior corners. Fill joints, nail indentations, holes and cracks with joint compound using trowel and broad knife. Measure, cut, fit and install drywall sheets. Mix plaster ingredients to desired consistency. Smooth out excess compound and allow coat to dry. Spray acoustic or texture materials over walls and ceilings. Tape over joints using taping machine and embed tape in compound. Cut openings in lath for heating and ventilation piping, ducts and electrical outlets. Install acoustic tile, hangers for suspended ceilings and metal studs for composition wallboard or lath. Install metal stud framing and furring for interior drywall or plaster walls and ceilings, using hand and power tools. Work at heights, on scaffolding or swing stages. Experience: 1 year to less than 2 years.