Subject to the dangers from exposure to toxic fumes, dust, dirt, grease, lubricants, points, solvents, high pressure air and fluids; fast actuating aircraft surfaces such as speed brakes, flaps, and landing gear; engine noise, heat blast, and intake suction; rotating propellers; explosive munitions; electrical voltage; cartridge actuating devices; liquid oxygen; fire or explosion of aircraft fuels, etc. Experience in following detailed instructions in making routine, reoccurring repairs and modifications to aircraft parts, subassemblies, and components, e.g., such as jacking and leveling aircraft, installing, and adjusting engines, landing gear assemblies, instrument panels, and flight control systems.