The installation, maintenance, or repair of all types of stone, marble, granite, slate and resilient flooring and flooring systems (vinyl, bamboo, parquet, rubber, polyethylene, cork, linoleum, etc.), ceramic tile, terrazzo systems and slabs carpeting, and decking, poured and sealed concrete or epoxy flooring, as well as floor underlayments, etc. Does not include flooring materials used on walls and ceilings, etc. Flooring and decking is a subclassification of Building Construction.