PPR cov kav dej tiv thaiv thaum lub caij ntuj sov
1. Cov tshuaj tiv thaiv hluav taws xob: Siv cov xim tshwj xeeb tiv thaiv hluav taws xob rau ntawm cov raj xa dej kom tiv thaiv PPR cov kav dej tau zoo.
2. Lub teeb yuag aluminium ntawv ci: Lub teeb yuag aluminium ntawv ci tuaj yeem siv los muab tshuaj txhuam, nrog cov nplaum zoo, muaj zog nplaum thiab tiv thaiv kev laus. Piv nrog cov tshuaj pleev thaiv hnub dub, nws zoo nkauj dua, tab sis tus nqi siab dua me ntsis.
3. Cov xim tiv thaiv txheej xim tsaus: PPR cov kav dej muaj feem ua rau lub hnub nyoog thiab kev puas tsuaj thaum kis mus rau ultraviolet rays ntev. Cov txheej tiv thaiv cov xim tsaus yuav tsum tau qhwv thaum teeb sab nraum zoov lossis nyob hauv tshav ntuj ncaj qha.
4. Cov faus zais: PPR cov kav dej tau zais. Raws li qhov xwm txheej ib txwm muaj, cov kav dej tuaj yeem raug faus hauv qab qhov kev kho mob. PPR cov yeeb nkab muaj kev tiv thaiv corrosion zoo thiab yuav tsis corroded tom qab raug faus rau hauv av. Nws tuaj yeem tsis tsuas yog tiv thaiv tshav ntuj, tab sis tseem tiv thaiv kom khov hauv lub caij ntuj no.