User manual

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explosive atmospheres include fueling areas, below decks
on boats, fuel or chemical transfer or storage facilities, and
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 where signs are posted to power
off “two-way radios” or “electronic devices” to avoid
interfering with blasting operations.