Education: Secondary (high) school graduation certificate. Tasks: Read blueprints, drawings and specifications to determine work requirements . Apply, level and smooth coats of plaster. Cut and install metal corner beads to protect exterior corners. Fabricate and install suspended metal ceiling grids and place in panels to form acoustical and coffered ceilings. Fill joints, nail indentations, holes and cracks with joint compound using trowel and broad knife. Finish corners and angles and create decorative designs in finish coat, if required. Measure, cut, fit and install drywall sheets. Mix plaster ingredients to desired consistency. Position and secure sheets to metal or wooden studs or joists. Smooth out excess compound and allow coat to dry. Tape over joints using taping machine and embed tape in compound. Cut openings in lath for heating and ventilation piping, ducts and electrical outlets. Experience: 7 months to less than 1 year.