A. Regularly check your pressure gauge and note how much air you used to reach you work area. Start to return when you have this amount left plus a reasonable reserve B. Wait for the appropriate signal on your safety line as the personnel outside will be keeping a track of the time you have spent inside C. 15 minutes after starting to used the set as this leaves you with five minutes air left D. Wait until the BA set warning whistle sounds « Previous Next »
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