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Explosive environments
Petrol stations and explosive atmospheres
In locations with potentially explosive atmospheres, obey all posted signs
to turn off wireless devices such as your phone or other radio equipment.
Areas with potentially explosive atmospheres include fuelling areas,
below decks on boats, fuel or chemical transfer or storage facilities, areas
where the air contains chemicals or particles, such as grain, dust, or metal
powders.
Blasting Caps and Areas
Turn off your mobile phone or wireless device when in a blasting area or in
areas posted turn off “two-way radios” or “electronic devices” to avoid
interfering with blasting operations.
