35 [ Commercial trading and consumer information services, namely, auctioneering services, commercial evaluation and rating of consumer goods for others prior to purchase, import and export agencies, negotiation and settlement of commercial transactions for third parties, mediation of contracts for purchase and sale of products, online ordering services featuring heat exchangers and modular cooling tower systems and price comparison services; retail and wholesale store services, mail order services and online retail and wholesale store services, all featuring chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry, relating to filtering materials, relating to building materials of metal and process equipment of metal, relating to machines and spare parts therefor for use in power stations, for generating electricity and for use in the gas and processing industries, relating to compressors and spare parts therefor, relating to aerocondensers and spare parts therefor, relating to machines and plants composed thereof for the processing of foodstuffs as well as spare parts therefor, relating to machines and machine tools, apparatus, devices and parts for the processing industry as well as spare parts therefor, relating to heat exchangers being parts of machines and spare parts therefor, relating to regulating, checking, controlling, measuring apparatus and devices and electric or electronic switch gears as well as spare parts therefor, relating to apparatus and instruments as well as spare parts therefor for conducting, switching, transforming, accumulating, regulating and controlling electricity, relating to process control systems, namely, electrotechnical and electronic apparatus and equipment for process monitoring and process control, for the collection, processing and output of data as well as spare parts for the aforesaid apparatus and equipment, relating to apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes as well as spare parts therefor, relating to oil pumps being parts for cooling systems of transformers, relating to heat exchangers and accessories for heat exchangers as well as spare parts therefor, relating to non-metallic building materials, relating to filtering materials of textile; consultancy, advisory and information services relating to the aforesaid services, included in this class ]