35 Advertising; business management; business administration; professional business consultancy; monitoring of operational processes from an organisational and professional business standpoint, in particular reading of meters for electricity and thermal energy, gas and water; billing for electric and thermal energy, gas and water; compilation of information into computer databases; wholesale and retail services relating to regulating and safety fittings, pressure regulators (parts of machines), valves and taps, parts for the aforesaid goods, measuring, signalling, checking (supervision), electric/electronic control and regulating equipment and apparatus, electronic, mechanical and electromechanical electricity, thermal energy, gas and water, monitoring and security instruments, apparatus, fittings and systems; wholesale and retail services relating to gas/air regulating and safety lines, gas and air actuators, solenoid valves, pressure and temperature sensors; wholesale and retail services relating to apparatus for controlling or regulating the gas/air mixture ratio in gas burners, gas filters and filter inserts therefor, flame and gas/air mixture supervision apparatus, fittings for controlling or adjusting the flow rate of gas or air, pressure regulators, burner and boiler controls, heating and air conditioning regulators and parts therefor; wholesale and retail services relating to heating mixers, remote controls, nozzles for choking the pressure of gas and air, pressure monitoring devices for gas, air and exhaust gas, measuring and detecting apparatus for pressure and temperature; wholesale and retail services relating to apparatus for recording, acquisition, processing, storage and transmission of data, radio-based apparatus for reading data from meters, software, computer programs recorded on data carriers, downloadable computer programs, parts and fittings for the aforesaid goods, included in class 9; wholesale and retail services relating to apparatus for lighting, heating and steam generating, burners, taps and valves, ignition devices for gas burners and parts therefor, in particular ignition burners, ignition transformers, sensor and ignition electrodes, gas, air and exhaust gas pressure switches, safety pilots, gas and air throttles, flow quantity meters, thermostats; wholesale and retail services relating to flame supervision devices and parts thereof, in particular sensors, thermocouples and electrodes, regulating and safety accessories for water and gas installations, gas apparatus, and gas pipes, heating apparatus for solid, liquid or gaseous fuels, heat pumps, fuel cells for heating, parts and fittings for the aforesaid goods, included in class 11