37 Construction and repair of substructures, track support beams and tracks for magnetic-levitation transport systems, buildings, railways, bridges, and roadways, for others; and/or Repair and renovation of buildings, in connection with physical and/or geological and/or chemical processes; and/or Building inspection services in relation to substructures, track support beams and railways for magnetic-levitation transport systems, railways, bridges, and roadways; and/or Leasing of construction equipment