37 Installation, assembly, operation, repair and maintenance of vehicle washing installations, vehicle cleaning installations, vehicle polishing installations and vehicle drying installations and machines for washing, cleaning, polishing and drying vehicles; installation, assembly, repair and maintenance of installations for the cleaning, disinfecting, sterilising, conveying and treatment of waste water, and for the storage of water; washing, cleaning, drying and polishing of vehicles; rental of vehicle washing installations, vehicle cleaning installations, vehicle polishing installations and vehicle drying installations and vehicle washing machines and vehicle drying machines; providing of information for cleaning and drying vehicles