Xauv thiab Key Ua li cas lawv ua haujlwm

Padlock thiab cov yuam sij

A xauvyog ib lub tshuab lossis hluav taws xob fastening cov khoom uas tau tso tawm los ntawm ib qho tseem ceeb, xws li muab cov ntaub ntawv tsis pub lwm tus (xws li muab cov ntaub ntawv zais cia .

A tus yawm sijyog lub cuab yeej uas siv los ua haujlwm rau lub ntsuas phoo (kaw lossis qhib nws) . ib qho tseem ceeb yog ib qho me me ntawm cov hlau muaj ob ntu: tusib qho me melossisrab riam, uas swb rau hauv qhov tseem ceeb ntawm lub xauv thiab cais ntawm cov yuam sij sib txawv, thiab covtxoj hluas, which is left protruding so that torque can be applied by the user. In its simplest implementation, a key operates one lock or set of locks that are keyed alike, a lock/key system where each similarly keyed lock requires the same, unique key.

Qhov tseem ceeb ua haujlwm rau kev ruaj ntseg token rau kev nkag mus rau qhov chaw xauv; Locks yog txhais tau tias tsuas yog cia cov neeg muaj tus yuam sij kom raug rau cov khoom siv tus tswv, cov hlau sib txawv, ob qho tib si sib txawv, ob qho tib si sib txawv ntawm cov ntsiab lus tsis muaj tus yuam sij hu ua xauv de .