33% to 66% of work time50+ lbs., 20% to 40% of work timeTalking10% to 40% of work timeHearing100% of work timeVisual perception, including vision100% of work timeWalking10% to 100% of work timeKneeling10% to 25% of work time Exposure to Environmental Conditions Exposure to inclement weather33% to 66% of work timeExtreme cold0% to 33% of work timeExtreme heat0% to 33% of work timeWet and/or humid0% to 33% of work timeVibration0% to 33% of work timeExposure to dust & fumes0% to 33% of work timeProximity to moving mechanical parts33% to 66% of work timeExposure to electrical shock0% to 33% of work timeWorking in high, exposed places0% to 33% of work timeExposure to toxic, caustic chemicals0% to 33% of work timeNoise intensity66% to 100% of work time, but not exceeding OSHA PEL unless tested otherwise The above description covers the principal duties and responsibilities of the job. Essential Physical Qualifications and Demands (activity & amount of time spent on activity) Standing66% to 100% of work timeBalancing66% to 100% of work timeSitting0% to 33% of work timeStooping, squatting, twisting, bending66% to 100% of work timeCrawling5% to 33% of work timeReaching33% to 66% of work timeLifting1-10 lbs., 0% to 33% of work time11-50 lbs., 33% to 66% of work time50+ lbs., 0% of work timePushing, pulling, moving1-10lbs.