climbing, balancing, stooping, kneeling, crouching, crawling, reaching, standing, walking, pushing, pulling, lifting, grasping, and feeling; vocal communication is required for expressing or exchanging ideas by means of the spoken word; hearing is required to perceive information at normal spoken word levels; visual acuity is required for preparing and analyzing written or computer data, visual inspection involving small defects and/or small parts, use of measuring devices, operation of machines, operation of motor vehicles or equipment, determining the accuracy and thoroughness of work and observing general surroundings and activities; the worker is subject to inside and outside environmental conditions, extreme cold, extreme heat, noise, vibration, hazards, atmospheric conditions and oils. the location of important buildings; ability to understand and carry out oral and written instructions; ability to assign, instruct and review the work of subordinates; ability to deal firmly and tactfully with subordinate employees and the public; possession of physical agility and endurance; skills in the use of firearms and the operation of a motor vehicle; ability to establish and maintain effective working relationships with associates and the general public.