BS


  • TS EN 10088-3-2005 igwe anaghị agba nchara - Nkebi 3: Ọnọdụ nnyefe teknụzụ maka ngwaahịa emechara ọkara, ogwe, mkpanaka, waya, ngalaba na ngwaahịa na-egbuke egbuke nke corrosion na-eguzogide nchara maka ebumnuche izugbe.