Answer
Gases flow from regions of higher pressure to those of lower pressure. Aerosol cans say "Do not incinerate" because puncturing a hole in the can will cause an explosion since the gas in the can is of higher pressure than the atmospheric gas pressure outside of the can.
Work Step by Step
Gases flow from regions of higher pressure to those of lower pressure. Aerosol cans say "Do not incinerate" because puncturing a hole in the can will cause an explosion since the gas in the can is of higher pressure than the atmospheric gas pressure outside of the can.