Education: Secondary (high) school graduation certificate. Tasks: Instruct apprentices. Supervise other workers. Apply successive coats of compound and sand seams and joints. Apply, level and smooth coats of plaster. Clean and prepare surfaces. 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. Mix plaster ingredients to desired consistency. Mould and install ornamental plaster panels, cornices and trim. 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. Cut openings in lath for heating and ventilation piping, ducts and electrical outlets. Prepare wall and ceiling layouts. Estimate costs and materials. Work at heights, on scaffolding or swing stages. Erect and install scaffolding, falsework and other working platforms. Read and interpret blueprints, maps, drawings and specifications. Screening questions: Are you available to start on the date listed in the job posting?. Do you have experience working in this field?. Do you have the required certifications listed in the job posting?. Experience: 3 years to less than 5 years. Workplace information: On the road job.