Education: Secondary (high) school graduation certificate. Tasks: Calculate heating and cooling loads. Design duct systems. Manufacture and assemble water evacuation systems for buildings. Read blueprints, drawings and specifications to determine work requirements . Select equipment for residential and small commercial construction. Measure and mark sheet metal according to template. Prepare tenders and quotations. Operate metalworking machines to cut, punch, drill, shape or straighten sheet metal. Operate laser cutters. Experience: 1 year to less than 2 years.