Iitanki ze-Crygenic zihlala zibizwa ngokuba ziitanki ze-FROOGENIC okanye iitanki ze-nitrogen ezingamanzi. Isakhiwo sahlulahlulwe saziingqengqele zambini, umaleko wangaphakathi wenziwe ngentsimbi engenasibala. Umaleko wangaphandle wenziwe ngomlawuli ophakathi azaliswe kukufakelwa.
