25.21.Z - Manufacture of central heating radiators, steam generators and boilers
25.30.Z - Manufacture of weapons and ammunition
25.62.Z - Manufacture of locks and hinges
27.11.Z - Manufacture of electric motors, generators and transformers
28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
28.21.Z - Manufacture of ovens, furnaces and permanent household heating equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
47.99.Z - Other retail sale not in stores, stalls or markets
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
