You never know where you might be and what you might be doing when you need a tight fitting mask that has a proper seal. That is where the people on the Island of Hawaii found themselves last Friday when the Kilauea volcano began erupting with yellow and red lava and spewing orange fires with white smoke. But it is the unseen danger that is most crucial to be aware of - sulfur dioxide gas. This type of gas has been said to be an immediate threat to life for all who become exposed.
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