Yav dhau los, cov ncej puab qab rooj yuav tsum tau welded artificially, lub zog wel plees, nws yuav yog ib qho teeb meem kom sib sau ua ke lub khob insulated zoo. Qee zaum nws yuav ua rau insu
Qhov loj me ntawm txhuas lub freezer iav qhov rooj; tsom rau cov chaw ua haujlwm hauv khw muag khoom thiab ua haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm thiab kev ua kom zoo nkauj. Cov tuam txhab tsim muaj ntau ntawm ST
Peb tau ua haujlwm nrog ntau lub tuam txhab, tab sis cov khoom lag luam thiab cov kev pabcuam muab los ntawm cov tuam txhab no tau txaus siab rau peb tshaj plaws.
Vim tias ntawm lub tuam txhab pab pawg ua tau zoo hauv kev lag luam thiab nws tus kheej kev ua kom zoo ua ke, peb tuaj yeem ntseeg siab lag luam rau lawv!