Fastening devices used in fences from asbestos -cement wavy sheets in industrial buildings include:
Devices for fastening asbestos-cement wavy sheets and steel shaped elements provided for by the project of the Normals of the Ministry of Construction of heavy industry enterprises “Devices for attaching asbestos-cement wavy sheets and steel shaped elements” developed by the Promstroyproekt trust (series B-906, 1951.);
