Plant/Yard: All types of weather conditions (year-round, Mid-west and Northeast), dirt/dust, noise from heavy machinery/vehicles, vibrations from machinery and vehicles, loud noises, little to no climate control, varying amounts of light, stairs, narrow walkwaysâ¯. Plant/Yard (periodic): Move minimum of 50lbs., spatial awareness/depth perception, walk, climb, bend at the waist, reach, forceful use of hand tools, vocal projection.