Environmental conditions will vary based on assigned tasks and may include 1/3 to more than 2/3 of the work day, working near mechanical parts, work in high or precarious (various), fumes or airborne particles, toxic or caustic chemicals, outdoor weather conditions, extreme heat and/or cold, risk of electrical shock, work with explosive(s) materials, risk of radiation, and vibration. Activity could be on the job is 1/3 to more than 2/3 of the work day, not limited to standing, walking, sitting, using hands, reaching, climb or balance, talk or listening, taste or smell, stoop, kneel, crouch or crawl, lifting 10lbs to more than 100lbs Close vision (clear vision at 20 inches or less) .