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. Saib kom zoo. Yog tsis yog, koj tuaj yeem xa mus rau nws. Txoj kev noj qab haus huv tus naj npawb.
Txoj Kev Ob
Cov tawv nqaij tsis huv ntawm lub ntsej muag tau soaked nyob rau hauv dej thiab tam sim ntawd tig mus rau hauv slag, thaum ntoo pulp ntsej muag cov ntaub so ntswg tseem tsim tom qab tau tsau." 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 lub ntsej muag qis me me nrog scum, thiab sim coj koj tus kheej cov phuam qhwv caj dab, ntaub so ntswg, lossis ntxuav koj lub qhov ncauj tom qab noj mov. Thaum muas cov ntaub so tes, nco ntsoov xaiv cov khoom lag luam los ntawm cov tuam txhab tsim khoom ib txwm thiab yuav cov ntaub mos muag, tsis muaj qhov tsis muaj ntxhiab thiab tsw ntxhiab.