machine parts and joints 2,686 electrotechnics 2,282 products 1,904 metallurgy 1,711 chemical industry 1,222 koroze materialu 1,126 ohrana materialu 1,125 more ... foundry industry 1,004 soldering 977 welding 962 instruments 756 lesniké stroje 713 zemědělské a lesnické stroje 713 food-processing industry 682 fixtures 617 pipelines 617 construction materials 545 building raw materials 545 forestry 530 measuring instruments 512 mining 461 textile 371 steel 314 road vehicles 308 synthetic polymers 298 health services 263 machine-tools 229 paper production 210 tools 200 woodworking industry 196 less ...