Visual Acuity: Required for depth perception, color perception, preparing and analyzing written or computer data, visual inspection involving small defects and/or small parts, use of measuring devices, operation of motor vehicles or equipment, determining the accuracy and thoroughness of work, and observing general surroundings and activities. Work is performed inside and outside under environmental conditions such as extreme cold, extreme heat, noise, vibration, hazards, atmospheric conditions, oils, working in confined spaces, and wearing an appropriate respiratory protection device as necessary.