1. Siv cov ntaub paj rwb tshem tawm cov roj stain ntawm cov yeeb nkab xov thiab ziab nws.
2. Siv cov kua nplaum txaus rau cov yeeb nkab xov los yog ib feem uas yuav tsum tau kaw, thiab tom qab ntawd sib sau ua ke thiab sawv ntsug.
3. Tighten thiab kho lub kaum sab xis tsis pub dhau 3 feeb tom qab kev teeb tsa, thiab nws tsis tsim nyog los kho nws dua tom qab kho.
4. Lub sij hawm pib solidification ntawm chav tsev kub yog 5-30min, thiab nws tau kho tag nrho tom qab 24 teev ntawm kev sib dhos, uas tuaj yeem ncav cuag lub zog siab tshaj plaws.
5. Siv rau cov hlau, tooj liab, hlau thiab lwm yam khoom siv hlau, qhov kub thiab txias tshaj 25 degree, thiab kev ntsuas siab yog nqa tawm tom qab plaub teev ntawm kev teeb tsa; Qhov kub yog 15 ~ 25 degree, 8 teev; 0 ~ 15 degree, 16 teev.
Lub sijhawm kho ntawm stainless hlau, aluminium thiab alloy rigid yuav tsum tau muab ob npaug rau.