Potentially Explosive Atmosphere
Turn off the phone when in an area with a
potentially explosive atmosphere, and obey
all signs and instructions.
Sparks in such areas could cause an
explosion or fire that could result in personal
injury or death.
Areas with a potentially explosive
atmosphere are often clearly marked, but
not always. Among the potentially dangerous
areas are:
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Fueling areas (such as gas stations), areas
below deck on boats, facilities where
chemical products are transferred or stored,
vehicles using liquefied petroleum gas (as
propane or butane), areas where the air
contains chemicals or particles (such as
grain, dust or metal powders), and any other
areas where you would normally be advised
to turn off your vehicle engine.