Potentially explosive environments
Switch off your device in any area with a potentially explosive atmosphere. Obey
all posted instructions. Sparks in such areas could cause an explosion or fire
resulting in bodily injury or death. Switch off the device at refuelling points such as
near gas pumps at service stations. Observe restrictions in fuel depots, storage, and
distribution areas; chemical plants; or where blasting operations are in progress.
Areas with a potentially explosive atmosphere are often, but not always, clearly
marked. They include areas where you would be advised to turn off your vehicle
engine, below deck on boats, chemical transfer or storage facilities and where the
air contains chemicals or particles such as grain, dust, or metal powders. You should
check with the manufacturers of vehicles using liquefied petroleum gas (such as
propane or butane) to determine if this device can be safely used in their vicinity.