------------- Secondary (high) school graduation certificate
Work site environment
------------------------- At heights
Dusty
Work setting
---------------- Commercial
Residential
Tasks
--------- Read blueprints, drawings and specifications to determine work requirements
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
Finish corners and angles and create decorative designs in finish coat, if required
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