Concrete blocks for the protection of maritime and river works; scale models (of concrete) of concrete blocks, for laboratory study of hydraulic and wave phenomena in connection with the protection of maritime and river works
Nonmetallic Building MaterialsConstruction, repair, maintenance of dikes, barriers, breakwaters for the protection of maritime and river works; information, advice, consulting in regard to construction, repair, maintenance of dikes, barriers, breakwaters for the protection of maritime and river works; laying of concrete blocks for the protection of maritime and river works; information, advice, consulting in regard to laying concrete blocks for the protection of maritime and river works; technical support for laying concrete blocks for the protection of maritime and river works; construction of mock-ups (scale models) of concrete blocks for laboratory study of hydraulic and wave phenomena in connection with the protection of maritime and river works; supervision (direction) of work to construct, repair and maintain dikes, barriers, breakwaters for the protection of maritime and river works; supervision (direction) of work to lay concrete blocks for the protection of maritime and river works; construction, repair, maintenance of formworks for making concrete blocks for the protection of maritime and river works; rental of formworks for making concrete blocks for the protection of maritime and river works
Building Construction and Repair