1
Chemicals for use in the drilling of geothermal wells; fluids for use in the transport of particulate materials in geothermal wells; fluids for drilling; chemical additives for drilling fluids; drilling muds; chemical additives for drilling muds; chemical preparations for sealing; heat transfer fluids
7
Mining machines; drills for the mining industry; drilling tools (power operated), including well drilling tools (power operated), directional drilling tools (power operated) and directional well drilling tools (power operated); drilling machines, including well drilling machines, directional drilling machines and directional well drilling machines; drilling rods, including well drilling rods; drilling rigs, including well drilling rigs; mining bits; mining bit sharpeners; drilling heads (parts of machines); drill bits for machines; parts and spare parts of the aforementioned goods
37
Drilling services, including directional drilling services and directional well drilling services; rental, maintenance and repair of mining machines, drills for the mining industry, drilling tools, drilling machines, drilling rods, drilling rigs, mining bits, mining bit sharpeners, drilling heads and drilling bits; construction, maintenance and repair of geothermal wells, geothermal plants and geothermal power plants; building construction supervision for the construction of geothermal wells, geothermal plants and geothermal power plants; information and consultancy regarding the aforementioned services
40
Generation of energy by geothermal plants and geothermal power plants; generation of electricity by geothermal plants and geothermal power plants; generation of heat, heat energy and heating from geothermal heat; rental of geothermal plants and geothermal power plants; information and consultancy regarding the aforementioned services