Tus ncej yog qhov tseem ceeb tshaj plaws-cov kabmob tiv thaiv nyob rau hauv lub tsheb, thiab cov nqaj ntev ntev ua si ib qho ntawm lub tsheb tseem ceeb hauv lub tsheb no yog ib qho
Cov kab laum ntev ntev feem ntau yog ste-alloy states hlau, thiab lawv cov kab mob hla luam yeeb yog ib qho tseem tau ua rau Z-Sharped lossis lub thawv zoo li tus kheej.
