Originally Posted by cyccommute

Oil mixed in gasoline for 2 stroke engines is still flammable enough to ignite readily. While I may mix oil with my gas for my leaf blower, I'm not mixing it in an open vessel nor am I sloshing around parts in it. I pour the gasoline/oil mixture from one container with a small opening to another container with a small opening. Washing parts utilizes containers with much larger openings and taking the parts out of the bath to let them dry.

No, we aren't talking nitroglycerin but it's pretty close and has the potential to cause a lot of harm.