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Please do not use mobile when you are in the vicinity of
gas station or chemicals.
The mobile must be turned off when you are in
hospital.
You have to abide by the relevant regulations of hospital
and turn your mobile off when you next to medical equipment.
Any wireless transmission device, including mobile, will
interfere those equipment not fully-protected.
Interference
All the mobile handset may be interfered by the radio and
reduce the performance of the handset.
