Lub cuab tam yooj yim xws li rab rauj muaj ob ntu, uas tuaj yeem sib txawv nyob ntawm qhov xwm ntawm kev ua haujlwm ua los ntawm cov khoom. Yog li ntawd, hauv cov duab kos, nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau tus lej txheeb cov khoom, lawv cov duab thiab xim ntawm cov khoom uas lawv tau ua.
Cov Lus Qhia
Kauj ruam 1
Pib koj daim duab nrog daim duab ntawm cov txheej txheem pabcuam. Tsim kom muaj cov duab plaub ntev ntev uas yuav yog tus tuav ntawm lub duav, cov cuab yeej sib txuam ntawm cov ntu no tuaj yeem sib txawv, tsuav nws tsis tig mus ua luv thiab tuab. Tso lwm lub duab plaub rau ib kawg ntawm qhov khoom ntxiv no. Qhov nruab nrab ntawm nws sab ntev yuav tsum nyob ntawm tus tuav.
Kauj ruam 2
Kos tus kov rauj. Nyob ntawm hom ntsuas, nws tuaj yeem ua hlau, ntoo lossis yas, muaj cov roj hmab ntxig rau kev tuav zoo dua ntawm lub xib teg. Cov hlau ntoo yooj yim tshaj plaws yog nruab nrog ib tus pas ntoo ntev ntev nrog lub kheej kheej-hla. Yog tias koj tab tom ntoo tus rauj, tus ntawv nco ntsoov tias nws tus tuav tau tuaj yeem muaj ob ntu, ib qho uas tus tes xuas nrig txuas nrog muaj lub taub me dua li tus uas haum rau ntawm txhais tes.
Kauj ruam 3
Ua ntej teeb duab cov neeg ntaus, xav txog dab tsi rauj koj tabtom hais qhia. Cov cuab yeej yooj yim tshaj plaws hu ua "locksmith", ib qho txawv sab muaj ib qho chaw ua hauj lwm tiaj tus ntawm ib puag ncig cov duab, lwm qhov kawg tapers, ntawm sab qhov no zoo li daim duab peb sab sib npaug. Ntawm lub rooj ntoo ntoo, lub qhov tawm ntawm qhov tawm, tseem hu ua "rov qab", bifurcates thiab me ntsis puag ncig ntawm tus kov, cov khoom siv no ua haujlwm rub tawm cov ntsia hlau. Yog tias koj tab tom kos ib hom rauj xws li lub nqaj hlau, kos cov neeg ntaus yeeb yam ntawm ob tog.
Kauj ruam 4
Lwv cov kab tsim kho.
Kauj ruam 5
Pib xim. Xav txog cov khoom siv los ntawm cov rauj yog tsim thaum xaiv ib qho xim. Txhawm rau kom koj cov cuab yeej los saib ncaj, kos cov thaj chaw ntawm lub teeb thiab duab ntxoov ntxoo rau ntawm nws. Pleev xim cov roj hmab ntu ntawm qhov kov ntawm cov xim ci ci; ib txoj hlua liab liab yog ib qho tseem ceeb ntawm ntoo kov rau hauv qab ntawm nws.
