Iityhubhu zentsimbi ezingenamthungo zezixhobo zokucubungula isichumiso seekhemikhali ezinoxinzelelo oluphezulu
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Iityhubhu zentsimbi ezingenamthungo zezixhobo zokucubungula isichumiso seekhemikhali ezinoxinzelelo oluphezulu-GB6479-2013
Umbhobho wentsimbi engenamthungo wezixhobo zesichumiso esinoxinzelelo oluphezulu yintsimbi yesakhiwo yekhabhoni esemgangathweni ophezulu
kwayeumbhobho wentsimbi engenamthungo yentsimbi ye-alloyifanelekile kwiizixhobo zeekhemikhali kunyeumbhobho.
Olu hlobo lombhobho wentsimbi ngaphakathiGB6479-2013umgangatho.
