Panasonic Toughpad FZ-F1 - Manual (Page 5)

5 Safety Precautions (English)
This product, AC adaptor, and USB
connection cable
When using the product for extended periods, do
not expose your skin to the product or AC adaptor
for a prolonged period.
Generated heat can cause low-temperature burns.
Do not disassemble, repair, or modify the product.
This may cause the battery to short circuit or overheat,
which may result in a fire or electric shock.
Do not insert foreign objects into the product.
This may cause the battery to short circuit or overheat,
which may result in a fire or electric shock.
Do not allow conductive materials such as metal
objects to touch the expansion bus connector.
This may cause a short circuit and overheating, which
may result in battery electrolyte leakage, overheating,
smoke, rupture, or a fire.
Do not place the product in microwave ovens or
electromagnetic cookers.
Doing so may cause overheating, smoke, or rupture,
which may result in a fire.
WARNING