and distribution areas; chemical
plants; or where blasting
operations are in progress. Areas
with a potentially explosive
atmosphere are often, but not
always, clearly marked. They
include below deck on boats,
chemical transfer or storage
facilities and areas where the air
contains chemicals or particles
such as grain, dust, or metal
powders. You should check with
the manufacturers of vehicles
using liquefied petroleum gas
(such as propane or butane) to
determine if this device can be
safely used in their vicinity.
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