k50

Chemicals for industrial purposes; adhesives for industrial purposes; putty and other fillers; biological agents for industrial purposes. Metal materials for building and construction, in particular water collecting rings, concrete bolts, concrete anchors and tilt nuts, fixing anchors, fixing plates, core catchers, quick release columns, protectors, lifting devices, crown release devices, sharpening plates and building stands; small iron goods, in particular bolts and nuts; transportable structures of metal; containers of metal for storage and transport. Hand- operated hand tools for concrete sawing, cutting, drilling and blasting, in particular water collecting rings, test tools for marking the wear of concrete anchors, fixing plates, quick- action clamping columns and lifting devices; hand- operated hand tools for concrete sawing, cutting, drilling and blasting. Rubber gaskets; sealing rubber. Construction; maintenance and repair of machines and tools for concrete sawing, cutting, drilling and blasting; building and construction services, namely, concrete resurfacing and repair services in the nature of concrete sawing, cutting, drilling and blasting services.