Nyob rau hauv lub ntiaj teb no ntawm ncej kawm tuab si lug thiab precision kawm tuab si lug, muaj tseem yog ib yam dab tsi hu ua ib tug ncej kawm tuab si lug kam. Qhov ntawd yog qhov tsawg heev pub nyiaj ntawm misalignment. Qhov no yog vim hais tias nyob rau hauv ib lub ntiaj teb nyob qhov twg kawm tuab si lug yog ib qho tseem ceeb, nws tsuas yog qhov tseem ceeb heev li ntev raws li nws yog nyob ze nyob rau hauv kawm tuab si lug. It all has to do with… nyeem ntxiv »
