Waxaa loo isticmaalaa in lagu tijaabiyo maro-mareenka hawada ee dhammaan noocyada dharka tolmada leh, dharka tolsan, kuwa aan-xidhka lahayn, maryaha dahaarka leh, agabka shaandhada warshadaha iyo maqaar kale oo la neefsan karo, balaastiig, warqad warshadeed iyo alaab kale oo kiimiko ah. GB/T5453, GB/T13764, ISO 9237, EN ISO 7231, AFNOR G07, ASTM D737, BS5636, DIN 53887, EANA 140.1, JIS L1096, TAPPIT251 dib u soo celinta. 2. shaashadda taabashada midabka shaashadda weyn ...