Samsung SM-R3810ZAAXAR - Manual (Page 40)

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Posted Facilities
Switch your mobile device off in any facility
where posted notices require you to do so.
Potentially Explosive Environments
Switch your mobile device off when in any
area with a potentially explosive atmosphere
and obey all signs and instructions. Sparks
in such areas could cause an explosion or
fire resulting in bodily injury or even death.
Users are advised to switch the mobile
device off while at a refueling point (service
station).
Users are reminded of the need to observe
restrictions on the use of radio equipment in
fuel depots (fuel 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