While performing the functions of this job, the employee is continuously exposed to wet or humid conditions, extreme cold; regularly exposed to toxic or caustic chemicals, extreme heat; frequently exposed to outdoor weather conditions; and occasionally exposed to work in high, precarious places, fumes, or airborne particles. While performing the functions of this job, the employee is continuously required to stand, walk, use hands to finger, handle, or feel, reach with hands and arms, stoop, kneel, crouch, crawl, talk or hear; frequently required to taste or smell; and occasionally required to climb or balance.