1. XaivLub tawb devrau lub cev ntawm tus dev

(1).Lub tawb devqhov ntev txheem

Lub tawb ntev ob npaug ntawm tus dev.

(2). Kev xav txog kev loj hlob ntawm menyuam dev

Yog koj yuav ib tug menyuam dev, xav txog nws txoj kev loj hlob, yog li ntawd lub tawb yuav tsum tau yuav raws li qhov loj ntawm tus dev laus.

2. cov khoom siv

(1). Cov Khoom Siv Tseem Ceeb ntawmLub tawb dev

Nws feem ntau muaj plaub hom khoom siv, thawj yog yas. Qhov thib ob yog hlau thiab qhov thib peb yog yeeb nkab plaub fab. Qhov thib plaub, hlau tsis xeb.

(2). YasLub tawb dev

Feem ntau cov yas thiab hlau siv rau kev tsim cov dev me lossis tsiaj. Hom tawb dev no yog tus cwj pwm los ntawm qhov me me, yooj yim nqa, thiab yooj yim ntxuav. Txawm li cas los xij, qhov tsis zoo kuj pom tseeb, uas yog, nws tsis tuaj yeem tiv taus qhov pov thiab tawg yooj yim.

(3).Hlau welded dev tawb

Nruab nrab-lojLub tawb devFeem ntau yog vuam los ntawm hlau. Piv nrog cov tawb yas, hom tawb no muaj zog dua. Nws tuaj yeem tais thiab nqa tau yooj yim, tab sis nws yooj yim puas tsuaj tom qab siv ntev.

(4). Cov hlau tsis xebLub tawb dev

Cov tawb plaub fab lossis cov hlau tsis xeb yog cov uas ruaj khov tshaj plaws thiab haum rau cov dev loj dua. Lawv kuj tuaj yeem tiv taus kev ua phem. Qhov tsis zoo yog tias kev tuav tsis yooj yim heev, thiab kev ntxuav huv tsis yooj yim npaum li lwm cov tawb.

3. qauv

Kev Tsim Qauv ntawmLub tawb dev

Daim ntawv ntawmlub tsev devtsis muaj ntau, feem ntau ntawm lawv kuj tsim nyog, muaj cov tais hauv qab, uas tuaj yeem ntxuav tus dev cov zis tau yooj yim. Nws tuaj yeem coj tawm thiab ntxuav, vim tias tus dev cov quav yuav lo rau nws. Yog tias nws tsis tuaj yeem coj tawm, nws yuav muaj teeb meem heev.