Add sulfites to food (potatoes, lobster, wine, apricots)
Agitate or pump liquid manure or enter manure pit
Apply arsenic preservatives to wood
Apply coal tar pitch to cables, pipes, roofs, or while paving
Apply organochlorine insecticides
Apply polyester paints to hot metal
Arc weld aluminum
Arc weld stainless steel
Assemble or repair automotive brakes or clutches containing asbestos
Assemble products using cyanoacrylate glues