Zvakawanda sei zvaunoziva nezve mazinga ekuchengetedza ejira? Unoziva here nezve mutsauko pakati pekuchengetedza nhanho A, B uye C yejira?
Mucheka we Level A
Mucheka wenhanho A une danho repamusoro rekuchengetedza. Inokodzera zvigadzirwa zvevacheche uye zvevacheche, senge manapukeni, manapukeni, zvipfeko zvemukati, mabhibhu, pyjamas, yekurara uye zvichingodaro. Padanho repamusoro rekuchengetedza, iyo formaldehyde yemukati inofanirwa kunge yakaderera pane 20mg/kg. Uye haifanirwe kunge iine carcinogenic inonhuhwirira amine dhayi. Iyo pH kukosha inofanira kuva pedyo nekusarerekera. Iine kushatirwa kushoma kune ganda. Ruvarafastnesszvakakwirira. Uye haina zvinhu zvinokuvadza senge heavy metals, nezvimwe.
Mucheka we Level B
Mucheka wenhanho B wakakodzera kugadzira zvipfeko zvemazuva ese zvevakuru, izvo zvinogona kusangana zvakananga neganda, sehembe, T-shirt, dhirezi uye tirauzi, nezvimwe. Kuchengetedzeka kwepakati. Uye iyo formaldehyde yemukati yakaderera pane 75mg/kg. Iyo haina inozivikanwa carcinogens. pH kukosha kwakadzikira zvishoma. Kutsanya kwemavara kwakanaka. Zviri mukati mezvinhu zvine ngozi zvinosangana neyakajairwa kuchengetedza mwero.
Mucheka we Level C
Mucheka wezinga C haugoni kutarisana zvakananga neganda, zvakadai sejasi nemaketeni, nezvimwewo. Izvo zvirimo zve formaldehyde zvinosangana neyakagadzika mwero. Uye inogona kunge iine zvidiki zvemakemikari, asi haipfuure muganhu wekuchengetedza. PH kukosha inogona kutsauka kubva kune kwayakarerekera. Asi hazvizokonzeri kukanganisa kukuru kweganda. Iko kutsanya kwemavara hakuna kunaka kwazvo. Panogona kunge paine kupera zvishoma.
Nguva yekutumira: Oct-21-2024