Use caution. And safety goggles.

"Spokane fire officials said the man was seriously burned when he used a
cordless drill to penetrate the [spray] can."

http://www.spokesman.com/stories/200...int-can-drill/


*I seem to recall Stormin Norman doing the same thing a while back. He
didn't get burned; just got painted blue. Maybe he'll repost the link as it
was a very funny story.

I don't know how many languages they need to publish "Do not puncture or
incinerate" on every can.