Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Protection and fight against fire
Production of metal works for construction and parts thereof
Production of steam boilers, with the exception of boilers used in central heating
Production of other types of products made from metal
Production of ovens and burners
Production of devices used for the ejection of liquids or powder
Wholesale in other types of machines and tools
Wholesale in installation materials used by plumbers and for the installation of heating
Other types of retail trade in new goods in specialised shops