Motorola 120c Owner's Manual page 16

Safety and General Information
Blasting Caps and Areas
To avoid possible interference with blasting operations, turn OFF
your phone when you are near electrical blasting caps, in a
blasting area, or in areas posted: "Turn off two-way radio." Obey
all signs and instructions.
Operational Cautions
Antennas
Do not use any portable phone that has a damaged
antenna. If a damaged antenna comes into contact with your
skin, a minor burn can result.
Batteries
All batteries can cause property damage and/or bodily injury
such as burns if a conductive material such as jewelry, keys, or
beaded chains touches exposed terminals. The conductive
material may complete an electrical circuit (short circuit) and
become quite hot. Exercise care in handling any charged battery,
particularly when placing it inside a pocket, purse, or other
container with metal objects.
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