37 Installation, maintenance and repair of telecommunications equipment, apparatus and instruments, networks and systems; installation, maintenance and repair of installations for use in the supply and distribution of electricity, gas, water or telecommunications; the bringing into use of installations for use in the supply and distribution of electricity, gas, water or telecommunications; installation, repair, emergency servicing and maintenance of gas, electricity and water appliances, apparatus and instruments; laying, repair, maintenance, replacement and refurbishment of pipelines; repair of roads and paths, construction, repair and maintenance of gas and electricity installations; installation, repair and maintenance of energy-using apparatus and instruments; construction, repair and maintenance of energy-using installations; installation of insulating materials; building construction services; construction, maintenance, repair and renovation of property; the installation, maintenance, repair and of meters and accounting services relating thereto; the connecting of supplies for use in the distribution of gas, gaseous fuels, oils and electricity; the connecting of supplies for use in the transmission of telecommunications; advice, information and consultancy services relating to all of the aforesaid services; consultancy services regarding the installation and maintenance of telecommunication, transmission and broadcasting equipment, apparatus and instruments; installation and maintenance of transmission and broadcasting equipment, apparatus and instruments