1
Chemicals used in building; chemicals used as additives for building materials and construction materials; chemicals as additives for concrete, mortar, screed; chemicals in the form of mixes or additives for hydraulic binding agents, especially plasticizer, superplasticizer, dispersants, water retention agents, setting retarders, setting accelerators, hardening retarders, hardening accelerators, chemical expanding agents, defoamers; hydraulic inorganic binders; concrete binders
19
Building materials (non-metallic); natural and artificial raw materials for building; cement; concrete; ready-mix concrete; mortar; lime; limestone; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more additives like aggregates or pozzolanic materials; hydraulic binding agents as non-metallic building materials and mixes containing them together with one or more chemical admixtures; precast concrete parts; goods of concrete or mortar
37
Construction; civil engineering; advice in the field of building; repair in the field of production installations for the manufacture of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building, and products of concrete or mortar, and in the field of installations for the processing of cement and other hydraulic, inorganic binding agents, natural and artificial raw materials for building and products of concrete or mortar; repair of structural and civil engineering works; rental of building equipment; rental of building machinery; supervision of construction sites
42
Material testing, namely testing and quality control of building materials