Education: Secondary (high) school graduation certificate. Work setting: Construction. Renovation. Tasks: Read blueprints, drawings and specifications to determine work requirements . Determine layout and installation procedures. Document and prepare invoices and work orders. Measure and mark guidelines to be used for installations. Prepare and maintain work materials and supplies. Supervise other workers. Utilize hand and power tools. Read and interpret blueprints, maps, drawings and specifications. Area of specialization: Ducts. Furnaces. Work conditions and physical capabilities: Physically demanding. Attention to detail. Handling heavy loads. Repetitive tasks. Personal suitability: Accurate. Client focus. Dependability. Flexibility. Organized. Reliability. Team player. Experience: 7 months to less than 1 year. Employment terms options: Overtime required.