• Agitate Or Pump Liquid Manure Or Enter Manure Pit
• Apply Arsenic Preservatives To Wood
• Apply Coal Tar Pitch To Cables, Pipes, Or Roofs

• Apply Organochlorine Insecticides
• Arc Weld Aluminum
• Arc Weld Stainless Steel

• Assemble Or Repair Automotive Brakes Or Clutches Containing Asbestos
• Assemble Products Using Cyanoacrylate Glues