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aircraft safety
• To protect aircraft communications from interference, it is prohibited to
use your phone in flight. Turn off your phone before take-off. If you want to
use mobile phone before take-off, you should get the aircrew’s permission.
hospital and medical safety
• Turn your phone off and remove the battery in areas where the use of
phones is prohibited. Always follow the instructions given by the medical
facility regarding the use of phones on their premises.
• The operation of some medical electronic devices, such as hearing aids
and pacemakers, may be affected if a phone is used next to them. Observe
any caution signs and the manufacturer’s recommendations.
• Your phone contains metal, which can cause an allergic reaction, such as
a rash or eczema, if you are prone to such things.