10
Do not remove, install, or charge batteries in such areas. Spark in a
potentially explosive atmosphere can cause an explosion or fire
resulting in bodily injury or even death.
To avoid possible interference with blasting operations, switch off
your phone when you are near electrical blasting caps, in a
blasting area, or in areas posted “Turn off electronic devices.”
Obey all signs and instructions.
Precautions for Electronic Devices
Some electronic devices are susceptible to electromagnetic
interference sent by mobile phone if inadequately shielded, such as
electronic system of vehicles. Please consult the manufacturer of the
device before using the phone if necessary.