Coarse xov thiab zoo xov screws yog siv rau fastening lub hom phiaj.
Cov hniav txhuam hniav zoo feem ntau yog siv los xauv cov phab ntsa nyias thiab qhov chaw uas yuav tsum tau muaj kev vibration siab. Kev ua haujlwm ntawm tus kheej ntawm cov xov zoo yog qhov zoo, yog li lub peev xwm ntawm kev tiv thaiv kev vibration thiab los tiv thaiv xoob yog muaj zog, tab sis vim yog cov xov xoob xoob, lub peev xwm los tiv thaiv kev rub tawm ntau dua yog qhov phem tshaj ntawm cov xov ntxhib.
Thaum tsis siv los tiv thaiv kev ntsuas, qhov kev tiv thaiv xoob ntawm cov xov zoo zoo dua li cov xov ntxhib, thiab nws feem ntau yog siv rau nyias-walled qhov chaw thiab qhov chaw uas muaj qhov yuav tsum tau muaj rau kev tiv thaiv kev vibration.
Thaum siv rau kev hloov kho, xov zoo muaj ntau qhov zoo. Qhov tsis zoo ntawm cov xov zoo: Nws tsis haum rau daim ntawv thov ntawm cov ntaub ntawv nrog cov ntaub so ntswg ntau dhau thiab tsis muaj zog. Thaum lub zog nruj heev, nws yooj yim plam.
