6
Safety collection tanks, containers and tanks of metal for storing combustible fluids and/or fluids hazardous to water
7
Recycling installations, in particular installations for the recovery of solvents, installations for the recovery of greases and oils, developers, waxes, paints and lacquers, acids (including sulphuric acid) and other substances hazardous to water, installations for the recovery of cooling lubricants and abrasive chips, in particular by means of grinding oil extraction; biodiesel production installations; injection moulding release installations, in particular through solvent extraction; separating columns and fluid separation containers (coalescers), including for solvent/water separation or for separating different solvents, being parts for recycling installations
11
Recycling installations, namely installations for the recovery of solvents through distillation; installations for waste water purification; installations for exhaust air purification; installations for air filtering and air emission reduction, heat exchangers and heat pumps, refrigerating installations, heat carrier installations
37
Construction, assembly, maintenance and repair of installations and apparatus, as well as installations for the production and treatment of combustible fluids in all hazard categories (in accordance with the Regulation on Combustible Liquids), in particular in the explosion-proof sector, as well as non-combustible fluids, and of external installations and external apparatus; construction, assembly, maintenance and repair of recycling installations, in particular installations for the recovery of solvents, in particular through distillation, installations for the recovery of greases and oils, developers, waxes, paints and lacquers, acids and other substances hazardous to water, installations for the recovery of cooling lubricants and abrasive chips, in particular by means of grinding oil extraction, of installations for water purification, including waste water purification installations, of biodiesel production installations, of injection moulding release installations, in particular through solvent extraction, of exhaust air purification installations, of installations for air filtering and air emission reduction, heat exchangers and heat pumps, refrigerating installations, heat carrier installations, separating columns and fluid separation containers (coalescers), including for solvent/water separation or for separating different solvents, safety collection tanks, containers and tanks of metal for storing combustible fluids and/or fluids hazardous to water
42
Engineering, namely planning of installations and apparatus, as well as installations for the production and treatment of combustible fluids in all hazard categories (in accordance with the Regulation on Combustible Liquids), in particular in the explosion-proof sector, as well as non-combustible fluids, and of external installations and external apparatus; development and planning of recycling installations, in particular installations for the recovery of solvents, in particular through distillation, installations for the recovery of greases and oils, developers, waxes, paints and lacquers, acids and other substances hazardous to water, installations for the recovery of cooling lubricants and abrasive chips, in particular by means of grinding oil extraction, of installations for water purification, including waste water purification installations, of biodiesel production installations, of injection moulding release installations, in particular through solvent extraction, of exhaust air purification installations, of installations for air filtering and emission reduction, heat exchangers and heat pumps, refrigerating installations, heat carrier installations, separating columns and fluid separation containers (coalescers), including for solvent/water separation or for separating different solvents, safety collection tanks, containers and tanks for storing combustible fluids and/or fluids hazardous to water