7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
machines for finding raw materials and resources from the earth, namely, water, gas, oil, ores, minerals, mineral resources, and parts thereof; machines for tapping raw materials and resources from the earth, namely, water, gas, oil, ores, minerals, mineral resources, and parts thereof; machines for extracting raw materials and resources from the earth, namely, water, gas, oil, ores, minerals, mineral resources, and parts thereof; machines for processing raw materials and resources from the earth, namely, water, gas, oil, ores, minerals, mineral resources, namely, separating machines and parts thereof
19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
non-metallic building materials, namely, rigid pipes not of metal; materials used for drilling fluids, namely, marl, sand, cement, pebble, stones, clay and mixtures thereof
37
Building construction; repair; installation services
mining extraction; installation and maintenance of pipelines and boreholes for gas, water and oil; shaft or well drilling; leasing of machines for finding, tapping, and extracting resources and raw materials from the earth; consultancy in the field of water, gas and oil well drilling
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
technology consultation in the field of finding, tapping, extracting, processing and purifying raw materials and resources from the earth, namely, water, gas, oil, ores, minerals, and mineral resources; services of a physicist; services of a technical measurement and testing laboratory in the field of water, gas and oil well drilling; services of a chemical laboratory; engineering services; chemical analysis; technical tests and checks in the field of water, gas and oil well drilling; technical measurements in the field of water, gas and oil well drilling; scientific investigations in the field of water, gas and oil well drilling; preparing analyses for water, gas and crude oil extraction; producing computer animations for others; producing expert opinions about water, gas and crude oil deposits; producing technical and scientific expert opinions in the field of water, gas and oil well drilling; geological research, geological surveys; geological digging work; granting of licenses on intellectual property; physical research in the field of water, gas and oil well drilling; technology consultancy in the field of water, gas and oil well drilling; technical monitoring of water, gas and oil wells; mining and mineral exploration services; consultancy in the field of gas exploration, oil exploration, oil prospecting, and mineral and oil assaying