Detailed Work Activity Protect structures or surfaces near work areas to avoid damage. Apply material to fill gaps in surfaces. Smooth surfaces with abrasive materials or tools. Review blueprints or specifications to determine work requirements. Prepare surfaces for finishing. Apply paint to surfaces. Assemble temporary equipment or structures. Mix substances or compounds needed for work activities. Estimate construction project costs. Estimate materials requirements for projects. Clean surfaces in preparation for work activities. Order construction or extraction materials or equipment. Select construction equipment. Apply sealants or other protective coatings. Apply decorative or textured finishes or coverings. "Cut carpet, vinyl or other flexible materials." Operate heating or drying equipment.