Potentially explosive environments
Switch off your device when in any area with a potentially explosive atmosphere, and obey all signs and instructions. Potentially
explosive atmospheres include areas where you would normally be advised to turn off your vehicle engine. Sparks in such areas
could cause an explosion or fire resulting in bodily injury or even death. Switch off the device at refueling points such as near
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gas pumps at service stations. Observe restrictions on the use of radio equipment 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 below deck on boats, chemical transfer or storage facilities, vehicles using liquefied
petroleum gas (such as propane or butane), and areas where the air contains chemicals or particles such as grain, dust, or metal
powders.