37 Renovation and restructuring of buildings; restructuring of buildings; consultancy in relation to the maintenance, repair and renovation of buildings and other structures; servicing of production machines and apparatus; repair services for electronic business equipment; servicing of manufacturing machines and apparatus; repair and servicing in relation to the following goods: machinery, production equipment and instruments; installation, maintenance and repair of the following goods: measuring, signalling and monitoring apparatus and instruments; installation, maintenance and repair of the following goods: control systems, monitoring equipment and inspection equipment; plant construction; maintenance relating to electrification of machinery; maintenance relating to electrification of plants.