------------- Secondary (high) school graduation certificate
Work setting
---------------- Various locations
Tasks
--------- Apply successive coats of compound and sand seams and joints
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
Smooth out excess compound and allow coat to dry
Tape over joints using taping machine and embed tape in compound