11
Aquarium filtration apparatus; disinfectant dispensers for toilets; disinfectant distributors for toilets; toilets, portable; fountains
35
Commercial information agencies; auctioneering; marketing studies; demonstration of goods; business research; business information; business appraisals; business investigations; business inquiries; business management assistance; import-export agencies; office machines and equipment rental; commercial or industrial management assistance; advisory services for business management; business management assistance; business management consultancy; commercial information agencies; compilation of information into computer databases; systemization of information into computer databases; business organization consultancy; personnel management consultancy; modelling for advertising or sales promotion; typing; document reproduction; shop window dressing; auditing; economic forecasting; publication of publicity texts; radio advertising; advertising by mail order; advertising agencies; advertising; distribution of samples; dissemination of advertising matter; sales promotion (for others); statistical information; television advertising; organization of trade fairs for commercial or advertising purposes
37
Building construction supervision; building of fair stalls and shops; shoe repair; plumbing; construction information; office machines and equipment installation, maintenance and repair; vehicle service stations; cleaning of clothing; washing; linen ironing; street cleaning; construction; dry cleaning
40
Production of energy; waste treatment (transformation); water treating; material treatment information; blacksmithing; boiler-making; metal treating; flour milling; destruction of waste and trash; soldering; custom assembling of materials (for others); incineration of waste and trash