Waxaa loo isticmaalaa in lagu cabbiro heerka kaniiniga ee maro kala duwan oo cadaadis yar saaran yahay iyo iska caabbinta xirashada suufka wanaagsan, dharka iyo dharka xariirta ah.
Buuxi heerka:
GB/T4802.2-2008, GB/T13775, GB/T21196.1, GB/T21196.2, GB/T21196.3, GB/T21196.4; FZ/T20020; ISO12945.2, 12947; ASTM D 4966, 4970, IWS TM112, waxaa lagu dari karaa shaqada tijaabada kubbadda iyo saxanka (ikhtiyaar) iyo heerar kale