7 Mechanical apparatus for treating soil and waters.
8 Hand tools and implements (hand-operated) for treating soil and waters.
35 Business consutancy, including professional business consultancy in the field of environmental technology; development of marketing of environmental marketing strategies for others; professional business planning of soil and water purification installations.
37 Building, in particular with regard to public infrastructure, structural engineering, hydraulic engineering, construction of harbour installations, construction of soil and water purification installations.
40 Decontamination of water from polluted soils and waters, purification of soils and waters by means of mechanical and biological treatment; waste processing, in particular waste utilisation and incineration.
42 Development of environmental technology on behalf of others for treating soil and waters; chemistry services, and providing of expertise and analysis of the condition of soils and waters and their suitability for treatment; technical consultancy in the field of environmental technology; creation and management of environmental data bases for others; treatment of soils and waters using environmental technology, namely stripping contaminated soil layers and/or removing contaminated water from polluted soils and waters; technical planning for soil and water treatment installations; construction and operation of clarifying installations and sewage treatment technology installations of all types; production of conventional and regenerative energy; services of an engineering firm.