| http://www.w3.org/ns/prov#value | - Masonry Contractor means a contractor whose primary business is the installation or brick, concrete block, stone, marble, slate or other units and products common the masonry industry with or without mortar and work incidental to the installation, including the installation of grout, caulking, tuck pointing, sandblasting, mortar washing, parging, cleaning, and welding of reinforcement steel relate
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