Thaum siv cov kauv cov khaub ncaws ziab khaub ncaws, xyuas kom meej txawm tias qhov hnyav, kev kho cua tsis zoo, kev tu tsis tu ncua, thiab cov khoom siv tu kom lav nws cov kav ntev thiab kev nyab xeeb. Txawm hais tias hom khib nyiab no muaj cov qauv yooj yim, kev siv kom zoo tuaj yeem txuas ntxiv nws txoj sia thiab txhim kho kev ua kom qhuav.
1. Tsis txhob tshaj qhov txwv load txwv ntawm lub tshuab ziab khaub ncaws kom tsis txhob deformation thiab tawg.
2. Thaum dai khaub ncaws, nthuav tawm ncaj nraim ntawm lub khib kom tsis txhob deformation thiab wrinkles.
3. Khaws lub tshuab ziab khaub ncaws kom huv thiab qhuav kom tsis txhob muaj plua plav thiab noo noo los ntawm kev cuam tshuam nws txoj sia.
4. Thaum tsis siv rau lub sijhawm ntev, lub tshuab ziab khaub ncaws tuaj yeem khaws cia kom tsis txhob siv qhov chaw tsis tsim nyog.
Nyob rau hauv luv luv, ib tug kauv khaub ncaws ziab khib yog ib yam khoom siv hauv tsev heev. Nws yooj yim heev rau nruab thiab siv, pab peb txuag chaw thiab txhim kho peb lub neej zoo.