| http://www.w3.org/ns/prov#value | - Welding or operating acetylene or other torch with open flame except in cleared areas of at least 10 feet in diameter and a chemical pressurized fire extinguisher with a minimum rating of at least 2A. The following persons are exempt from this order: Persons with a permit specifically authorizing the otherwise prohibited act or omission and any federal, state or local officer, or member of an orga
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