Ntau yam LOCK BOX / HANGING BOARD rau Kev Tswj Xyuas Qhov Tseem Ceeb

Ib qho ntawm cov yam ntxwv tseem ceeb ntawm engineering yas PP locks yog lawv cov qauv xauv tshwj xeeb, uas ua raws li kev tiv thaiv kev tiv thaiv kev nkag tsis tau.Lub ntsuas phoo yog tsim los muab kev ruaj ntseg siab tshaj plaws los ntawm kev tiv thaiv kev cuam tshuam lossis cuam tshuam nrog lub ntsuas phoo.Nrog lub tswv yim tshiab no, koj tuaj yeem tso siab tau tias koj cov khoom lossis cov ntaub ntawv tsis pub lwm tus paub muaj kev nyab xeeb.

Tsis tas li ntawd, lub xauv tsim muaj lwm lub hom phiaj tseem ceeb - tiv thaiv cov neeg tsis tau tso cai nkag mus.Txawm hais tias nyob hauv ib puag ncig chaw ua haujlwm, lub tsev khaws khoom lossis lwm qhov chaw uas muaj txiaj ntsig xav tau kev tiv thaiv, qhov ntsuas phoo no ua kom ntseeg tau tias tsuas yog cov neeg tau tso cai nkag tau.Los ntawm kev txwv tsis pub nkag mus rau cov neeg uas muaj cov ntaub ntawv pov thawj tsim nyog lossis cov yuam sij, cov khoom lag luam pab tswj kev ceev ntiag tug thiab tiv thaiv cov cuab tam los ntawm raug nyiag lossis puas.