General items: manufacturing of building decoration, water supply and drainage pipe fittings, and other metal products for construction; sales of building decoration materials; sales of building materials; sales of lightweight building materials; manufacturing of lightweight building materials; manufacturing of new building materials (excluding hazardous chemicals); retail of hardware products; manufacturing of lighting fixtures; sales of lighting fixtures; sales of lamps; import and export of goods; road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods).