Scientific and technological services and research and design relating thereto; industrial analysis and research services; engineering services including engineering surveying and the provision of engineering drawings, prospecting and surveys; exploration of oilfields, drilling of wells, oil prospecting, oil well testing, mining, ore and metals prospecting and mine exploitation, metallurgical and chemical analysis; testing and research services associated with oil fields, oil workings, gas and oil installations, mines, steel mills, aluminum shelters, copper shelters and nickel shelters