These work environment factors are general in nature and may vary depending on the specific position being filled. CONSTANT: Balance; coordination; smell; stand; walk; hearing; vision; work with others; clients with behavioral challenges; and shift work. OCCASIONAL: Lift and carry up to 50 pounds; push/pull up to 50 pounds; crouch/squat; grasp/handle; kneel; reach above shoulder; rotate trunk; sit; and stoop/bend. RARE: Crawl.