| http://www.w3.org/ns/prov#value | - rker in the employ of a master. ???Board???, the board of examiners of sheet metal workers, established in section 101 of chapter 13. ???Certificate of a sheet metal corporation, partnership, LLP, LLC or other entity???, a certificate of registration issued by the board to a master sheet metal worker authorizing him to conduct a sheet metal business as a corporation, partnership, LLP, LLC or other
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