Skill in using and maintaining a variety of metal shop tools, equipment, and measuring instruments such as drill presses, rivet guns, punches, spot welders, metal saws, dimpler, cables, and permaswedge tube repair kits; Knowledge of advanced shop mathematics to figure irregular curves, angles, and pitch, and applies principles of radial-line, parallel-line development to devise patterns and layout (including geometric projection and triangulation). Inspects, prepares aircraft and support equipment surfaces and applies a variety of chemical compounds, protective and specialized coatings to a variety of materials, such as sheet metal, radomes and composites then correctly disposes of hazardous waste products; Utilizes safety practices, Federal Environmental Protection Agency (EPA) and AF Environmental Compliance Assessment Management Program (ECAMP) environmental protection practices and procedures and complies with security regulations, directives and policies.