Cov kabmob pob Metric Ib Kab Sib Sib Zog Radial muaj ntau hom. Los ntawm ob lub foob thiab cov ntaub thaiv, hom nplhaib snap, thiab ob qho tib si qib kev lag luam & qib siab. Cov kabmob pob Ib Kab Sib Sib Zog (SRDG) feem ntau siv rau cov ntawv thov ceev ceev uas xav tau lub neej ntev thiab kev ua tau zoo tseem ceeb, txawm tias zam kev sib txawv me me ntawm axial.
