Education: Secondary (high) school graduation certificate. Tasks: Apply, level and smooth coats of plaster. Cut and install metal corner beads to protect exterior corners. Measure, cut, fit and install drywall sheets. Position and secure sheets to metal or wooden studs or joists. Tape over joints using taping machine and embed tape in compound. Prepare wall and ceiling layouts. Screening questions: Are you available for shift or on-call work?. Experience: 1 year to less than 2 years.