Txoj kev ib
Tsuas yog saib ntawm tus naj npawb huv huv rau sab nraum qab ntawm lub hnab lossis saib daim ntawv lo. Raws li txoj cai tshiab hauv tebchaws, cov ntaub hoob nab yuav tsum tau sau nrog" tso zis tso quav" ;. Yuav luag txhua tus neeg tsim khoom loj yog cov cim me, me, thiab me me. Koj yuav tsum ua tib zoo saib. Yog tsis yog, koj tuaj yeem xa mus rau nws. Txoj kev noj qab haus huv tus naj npawb.
Txoj Kev Ob
Inferior ntswg ntawv tau tsau nyob rau hauv dej thiab tam sim ntawd melted rau hauv slag, thaum ntoo pulp napkins tseem ua tom qab soaking." Cov ntawv sau tseg tau qhia tias qhov tsis zoo ntawm lub tshuab ntswg tsis tas li tus qauv, thiab nws zoo li yuav tsim tawm los ntawm cov ntawv rov ua dua tshiab"
Raws li kev ntsuam xyuas los ntawm lub chaw soj ntsuam zoo, cov ntaub so ntswg qis muaj ntau cov kab mob hu ua fungi, E. coli, tuberculosis, kab mob siab, thiab lwm yam, uas tuaj yeem yooj yim ua rau mob enteritis, typhoid fever, dysentery, kab mob siab thiab lwm yam kab mob. Ntxiv rau cov kab mob no uas ua rau tib neeg lub cev puas tsuaj, cov neeg tsim khoom kuj ntxiv cov tshuaj ua kom dawb thaum lub sijhawm ua khoom, uas muaj cov tshuaj carcinogenic. Piv txwv, cov tshuaj fluorescent ntxuav hniav dawb muaj cov hlau cadmium hnyav, uas tuaj yeem ua rau cov ntshav ntawm cov ntshav puas thiab ua rau lub cim xeeb tsis zoo.
Cov kws tshaj lij pom zoo kom koj tsis txhob siv cov ntaub so ntswg qis nrog scum, thiab sim coj koj tus kheej cov phuam da dej, phuam ntawv, lossis ntxuav koj lub qhov ncauj tom qab noj mov. Thaum muas cov ntawv so tes, nco ntsoov xaiv cov khoom lag luam los ntawm cov tuam txhab tsim khoom tsis tu ncua, thiab yuav cov ntawv phuam uas muag muag, tsis muaj qias neeg, thiab tsis muaj ntxhiab.