H

TUGGING OF VESSELS BY TUGBOATS; THE TRANSPORTATION OF MATERIALS BY WATER; TRANSPORTATION OF OILFIELD MATERIALS BY LAND AND BY WATER

[TREATMENT OF STEEL AND ALUMINUM TO BE USED IN THE MANUFACTURE OF PRESSURE VESSELS AND OF COMPONENTS OF PIPELINES, OIL AND GAS PRODUCTION FACILITIES, DRAINAGE SYSTEMS, INSTRUMENTAL SYSTEMS AND LIGHT SYSTEMS]

DESIGNING, PLANNING AND CONSULTANCY ON BEHALF OF THE BUILDING AND CONSTRUCTION OF OFFSHORE PLATFORMS FOR RESEARCH AND PRODUCTION OF OIL AND GAS, [LIGHT TOWERS AND LIGHT HOUSES, PLATFORMS FOR SULPHUR MINING, DOCKING AND MOORING PLACES, LOADING DOCKS, POWER INSTALLATIONS, INDUSTRIAL INSTALLATIONS AND FACTORIES; PIPELINES, DRAINAGE SYSTEMS,] OIL AND GAS PRODUCTION SYSTEMS, [LIGHT INSTALLATIONS, ROADS, WELLS AND SHAFTS]