37 Installation, repair, and maintenance of movable pool floors and parts thereof, namely, movable floors and multipurpose heavy duty lifting machines and systems; Building services, namely, swimming pool and spa construction, building construction, remodeling and repair; Refurbishment and renovation of buildings and swimming pools; construction, installation, refurbishment, maintenance and repair of transportable buildings of metal, portable metal buildings, machinery, machine tools and engines for operating mobile structures; provision of information, consultancy and advisory service in relation to all the aforesaid services, namely, movable pool and spa floors and swimming pool and spa construction