Nibihe bipimo bya ANSI, ISO, NA ASTM kubitwara? Ibipimo bya tekiniki, nkibipimo bya ASTM byerekana ibicuruzwa byerekana uburyo bwo gukoresha ibyuma, bifasha ababikora gukora ibicuruzwa bihamye. Niba warashakishije ibyuma kumurongo, birashoboka ko wahuye na prod ...
Soma byinshi