Areas with a potentially explosive atmosphere are often but not always clearly
marked. They include:
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Fuelling areas such as gas or petrol stations
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Below deck on boats
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Transfer or storage facilities for fuel or chemicals
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Vehicles using liquefied petroleum gas, such as propane or butane
▪
Areas when the air contains chemicals or particles such as grain, dust or
metal powders
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Any other area where you would normally be advised to turn off
machinery of any kind
Concentrated Electromagnetic Activity: Avoid using the modem within
areas of high electromagnetic wave activity or within enclosed metallic
structures e.g. lifts.