Oak rooj tog excel nyob rau hauv cov khoom ua tau zoo, thiab kev coj ua, tab sis nws kuj tseem ua kom yooj yim ua rau muaj kev tsis meej pem nrog cov rooj muag khoom roj hmab. Thaum kev yuav khoom ntoo qhib rooj tog ntoo, cov neeg siv khoom yuav tsum ua tib zoo txheeb xyuas thiab xaiv cov npe nrov thiab cov raws kom ntseeg tau tias lawv yuav cov rooj tog zaum tseem ceeb.
I. Qhov zoo ntawm cov rooj tog ntoo qhib
1. Kev siv tawv nqaij: ruaj thiab hnav - tiv taus, nws muaj lub neej kev pabcuam ntev. Ua tib zoo ntxuav tes thiab kho, nws tuaj yeem tiv taus qhov tseem ceeb thiab qhov hnyav, tiv taus deformation thiab kev puas tsuaj.
2. Zoo nkauj thiab muaj kuab heev: nws cov kab ke ntshiab thiab cov xim xim txhim kho cov zoo tag nrho ntawm koj lub tsev.
3. Ib puag ncig tus phooj ywg thiab kev noj qab haus huv: tsim los ntawm cov ntoo qhib ntuj, nws tsis muaj cov tshuaj phem, tsis muaj teeb meem rau tib neeg lub cev, thiab ib puag ncig phooj ywg.
4. Cov rwb thaiv tsev zoo heev: nws siv tau zoo ua rau muaj qhov ruaj khov nyob sab hauv tsev sab hauv tsev, muab ib puag ncig zoo siab nyob.
5. Ib qho yooj yim rau cov txheej txheem: nws cov khoom ua tau zoo ua kom yooj yim rau cov txheej txheem los ua cov txheej txheem ntau yam thiab yooj yim rau nruab.
Ii. Qhov tsis zoo ntawm cov rooj tog ntoo qhib
1. Tus nqi siab: Rau cov neeg siv khoom nruab nrab, kev yuav khoom ntoo qhib cov rooj tog ntoo tuaj yeem yog lub nra hnyav tseem ceeb.
2. Raug rau cov dej noo: hauv cov chaw puag ncig, cov rooj tog yooj yim nqus noo thiab nthuav dav, ua rau deformation. Nws tsis haum rau kev tso kawm hauv cov chaw nthwv chaw.
3. Raug rau cov kab kev muaj kab mob: Yog hais tias tsis ncaj ncees lawm, rooj tog zaum tuaj yeem muaj cov kab ke uas muaj cov av noo thiab qhov cua tsis zoo.
