• Sitting

• Attending a meeting (seated)
• Reading instructions, completing paperwork
• Watching a training video

• Sitting with light manual work with hands and arms
• Driving
• Standing with some light arm work and occasional walking
• Casual walking (2 miles per hour)
• Lifting  10 pounds fewer than eight times per minute, or 25 pounds less than four times per minute

• Using small bench tools or small power tools
• Inspecting and sorting produce
• Sorting light materials
• Assembling small parts
• Driving vehicle on roads
• Nailing

• Sustained moderate hand and arm work
• Moderate arm and leg work
• Moderate arm and trunk work
• Moderate pushing and pulling
•  Walking at a moderate speed
• Lifting 10 pounds 10 times per minute, or 25 pounds six times per minute

• Picking fruits and vegetables (bending, squatting)
• Painting with a brush
• Pushing or pulling lightweight carts or wheelbarrows
• Off road operation of trucks, tractors or construction equipment
• Operating an air hammer
• Weeding or hoeing

• Intense arm and trunk work
• Carrying, shoveling, manual sawing
• Pushing or pulling heavy loads
• Walking at a fast pace (4 miles per hour)
• Lifting  10 pounds 14 times per minute, or 25 pounds 10 times per minute

• Transferring heavy materials, shoveling
• Sledgehammer work
• Hand mowing, digging
• Concrete block laying
• Pushing or pulling loaded hand carts or wheelbarrows

• Very intense activity at fast to maximum pace
• Jogging, running or walking faster than 4 miles per hour
• Lifting 10 pounds more than 18 times per minute, or 25 pounds more than 13 times per minute

• Heavy shoveling or digging
• Ax work
• Climbing stairs, ramps or ladders

Ramsey, J and Bishop, P. 2003. Hot and Cold Environments (Chapter 24), in The Occupational Environment, its Evaluation, Control, and Management (S.R. DiNardi, Editor), American Industrial Hygiene Association. [After McArdle, Katch and Katch (1996)].