Cov kabmob pob ob kab sib npaug rau ob kab sib npaug uas teeb tsa rov qab rau tom qab. Cov kabmob pob ob kab feem ntau siv ua cov kabmob ruaj khov vim tias lawv tuaj yeem tuav cov khoom thauj axial hauv ob qho kev taw qhia thiab muaj peev xwm tuav cov khoom thauj tam sim ntawd. Cov kabmob no muaj cov tawb hlau nias.
