Locks xauv lub cev plhaub ntaus tus swb mechanism, uas txuas nrog lub qhov thiab slots, koj yuav tawm mus tig, txuas nrog lub hu thiab txoj siav, ntsuj-los yog zoo li cam hlau li tuaj yog ntsuas nrog cov kaus hniav, rotate thiab tawm, los ntawm qhov dialing ntsuas phoo leb qhib rau lawv tus kheej, ntsuas phoo tsis muaj ib qhov tseem ceeb li no.
