1. Daim ntawv thov yuav tsum tau nqa tawm thaum huab cua kub ntawm 5℃thiab 35 degree. Daim ntawv thov rau ntawm qhov chaw ntub dej tsis pom zoo, thiab cov phiaj xwm raug yuav tsum tsis txhob siv rau hauv huab cua los yog los nag.
2. Pom zoo noj: Tsis pub tsawg tshaj 0.5 kg/m².
3. Txhawm rau kom cov rwb thaiv tsev ruaj khov, ib qho silicone - hloov kho cov xim acrylic ntshiab - cov txheej rwb thaiv tsev yuav tsum tau siv tom qab thov.
4. Cov khoom ntim khoom qub yuav tsum muab khaws cia rau hauv qhov chaw qhuav, qhov chaw txias tshaj 0 degree. Nyob rau hauv ib txwm cia thiab kev thauj mus los, cov khoom muaj lub neej txee ntawm ib xyoos.
5. Cov khoom no tsis yog nplaim taws lossis tawg thiab tuaj yeem thauj tau raws li cov khoom thauj dav dav. Thaum lub sij hawm kev thauj mus los, tsis txhob raug tshav ntuj ncaj qha thiab kub heev.
