6
Building materials of metal; Ironmongery, small items of metal hardware; Valves and Ducting of metal, Containers
7
machines for the chemical industry for agriculture; Gas-powered engines; Generators; Pumps [machines], Stirring devices; Conveyors; squeezers; Mechanical crushers; Separators; Biogas-electricity conversion plants, namely block-type thermal power stations for producing electricity with combined heat and power generation, turbines and residual heat electricity conversion plants based on the ORC principle; Control apparatus for machines and engines, electricity generators, crushing machines and mechanical pumps being parts of installations for producing gas from organic substances or for converting gas into electricity; Biogas generating installations; Biomass-electricity conversion plants, liquid manure processing plants
9
Scientific, weighing, measuring, signalling, checking apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Computer-aided control apparatus; Weighing devices
11
Apparatus for heating, steam generating, refrigerating, drying, ventilating and water supply purposes; Conveyor devices for conveying gases, liquids, suspensions and solids in heat and steam generating installations; Biogas-electricity conversion plants, namely block-type thermal power stations for producing heat with combined heat and power generation, turbines and residual heat electricity conversion plants based on the ORC principle; Regulating and safety fittings for gas pipes, gas purification apparatus, heat pumps, heat regenerators, heat accumulators, heat exchangers, mechanical fermenters (biogas fermentation reactors) and distillation apparatus being parts of installations for producing gas from organic substances for converting gas into electricity; Installations for waste water purification
17
Valves and Ducting Of plastic materials
19
Building materials, not of metal; Buildings, transportable, not of metal