Is the worker mostly out for long hours in harsh, rugged conditions and on uneven surfaces?
Is the worker operating machines, carrying products or on their feet for most of the day?
Is the worker usually out as part of his/her daily duties walking or standing for long periods of time?
Is the worker outside for a couple of hours or less as part of his/her job duties?
Is the worker frequently operating machinery, out driving or delivering as part of his/her daily routine?