Education: Secondary (high) school graduation certificate. Tasks: Fill joints, nail indentations, holes and cracks with joint compound using trowel and broad knife. Measure, cut, fit and install drywall sheets. 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. Experience: 1 year to less than 2 years.