------------- Secondary (high) school graduation certificate
Tasks
--------- Read blueprints, drawings and specifications to determine work requirements
Supervise other workers
Apply successive coats of compound and sand seams and joints
Apply, level and smooth coats of plaster
Clean and prepare surfaces
Cure freshly plastered 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
Measure, cut, fit and install drywall sheets
Mix plaster ingredients to desired consistency
Mould and install ornamental plaster panels, cornices and trim
Spray acoustic or texture materials over walls and ceilings
Install metal stud framing and furring for interior drywall or plaster walls and ceilings, using hand and power tools
Install vapour barriers and thermal and sound insulation
Prepare wall and ceiling layouts
Estimate costs and materials