37 BUILDING CONSTRUCTION AND MAINTENANCE OF [ VESSELS, BOATS, SHIPS, TUGBOATS, FISHING BOATS, DRAGGING BOATS, DRY DOCKS, AND DRY DOCK FACILITIES, WHARFS, QUAYS, PANELLINGS, DAMS, PIERS, BRIDGES, ] OFFSHORE PLATFORMS, INCLUDING PLATFORMS FOR RESEARCH AND PRODUCTION OF OIL, [ LIGHT TOWERS AND LIGHT HOUSES, PLATFORMS FOR SULPHUR MINING, DOCKING AND MOORING PLACES, LOADING DOCKS, POWER INSTALLATIONS AND INDUSTRIAL INSTALLATIONS AND FACTORIES; ] BUILDING AND CONSTRUCTING [ PIPELINES, DRAINAGE SYSTEMS, ] OIL AND GAS PRODUCTION FACILITIES [, LIGHT-INSTALLATIONS, ROADS, WELLS, AND SHAFTS; REPAIR OF VESSELS, THE DRAGGING OF RIVERS AND OTHER WATERWAYS ]