One good test is to sit down at your torch, light it, and then run the smoke match around in the area where you are sitting, especially in front of you. This simulates working conditions. You also can see if you are creating a low pressure zone in front of your body which may draw fumes back towards your face.
Robert
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Robert Simmons
(Former) Director for Bead Donations
Beads of Courage, Inc.
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