Blasting Caps And Areas - Zte V9A User Manual

Areas with potentially explosive atmospheres include fuelling areas,
below decks on boats, fuel or chemical transfer or storage facilities, areas
where the air contains chemicals or particles, such as grain, dust, or
metal powders.

Blasting Caps and Areas

Power off your mobile phone or wireless device when in a blasting area
or in areas posted power off "two-way radios" or "electronic devices" to
avoid interfering with blasting operations.
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