On Tue, 16 Jun 2009 10:02:56 -0500, "HeyBub"
wrote:

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/



We used to open the cans AFTER the pressure was released to get the
marble. An old hand-crank can opener makes it easy, plus no sparks.