1, cov khoom siv ntawm lub hnab ntim thiab cov khoom ntawm lub hnab paj rwb yog tib yam li cov paj rwb zoo li qub, uas yog ib puag ncig tus phooj ywg zoo;
2, qhov kev tiv thaiv ib puag ncig ntawm ib puag ncig, qhov loj tshaj tus nqi yog cov ntaub, qee cov hnab uas tsis yog siv tus nab npawb ntawm tus nab npawb tus phooj ywg, feem ntau tsis txiav pob cov txuag tau nyiaj, hais ntawm no tuaj yeem hu ua kev tiv thaiv ib puag ncig;
3, muaj zog thiab ruaj khov, siv rau ob xyoo ntawm cov khoom zoo nkauj khov ntim cov hnab ntaub tsis muaj kev puas tsuaj, tab sis qee qhov chaw qhib kab (qee zaum hais txog cov khoom hnyav hnyav heev, manufacturers tsis ua haujlwm zoo), yog li ua haujlwm yog ib qho nyuaj Chaw tsim tshuaj paus Qhov no yog los ntawm lub sij hawm ntawm kev tshaj tawm;
4, canvas eco-bags muaj ntau cov ntaub, ntau cov kab, feem ntau ntawm lawv yog cov zoo heev thiab tiaj tus thiab cov duab ntxim yog qhov zoo heev.
5, nws yuav yooj yim rau ntxuav, yuav muaj me ntsis deformation tom qab ntxuav, vim hais tias ntshiab paj rwb yuav shrink. Qhov no muaj zog dua li cov ntaub ntawv tsis-khaus.
