Ntses kuj pab khaws zaub mov ua ntej tub yees. Thiab, Herz hais tias, kev tshawb fawb tau pom tias cov neeg ntsev ntau noj, lawv xav tau ntau dua. Yog li ntsev muaj ib qho chaw hauv kev ua noj, thiab kua txob yog ib qho ntawm ntau cov txuj lom siv hauv cov tais diav hnyav. Tab sis tom qab Hnub Nyoog Nruab Nrab, kev siv cov txuj lom feem ntau txo qis.
Vim li cas kua txob tseem ceeb?
Zoo dua, ntev kua txob yog ntseeg txo phlegm thiab nce phlegm. Yog li ntawd, cov txuj lom tau nrov nyob rau hauv ancient Greece thiab Rome. Cov kua txob ntev ntev kuj tau tso rau hauv av rau lwm cov txuj lom, xws li kua txob dub.
Vim li cas peb thiaj siv ntsev?
Koj yuav xav tias qhov no yuav tsum txhais tau tias koj yuav tsum tau txiav cov ntsev kom tiav, tab sis ntsev yog qhov tseem ceeb rau tib neeg lub cev. Koj lub cev siv ntsev kom sib npaug cov kua hauv cov ntshav thiab tswj cov ntshav siab, thiab nws tseem yog qhov tseem ceeb rau cov paj hlwb thiab cov leeg ua haujlwm.
Peb siv ntsev li cas hauv lub neej txhua hnub?
Ntsev tau ntev siv rau tsw thiab khaws zaub mov. Nws kuj tau siv rau hauv tanning, dyeing thiab bleaching, thiab zus tau tej cov tais diav, xab npum, thiab chlorine. Niaj hnub no, nws tau siv dav hauv kev lag luam tshuaj.
Puas ua noj nrog ntsev zoo?
Nyob rau hauv rooj plaub no, koj tuaj yeem xav ntxiv ntsev thaum ua noj lossis ntawm lub rooj txhawm rau txhawm rau txhim kho tsw. Kev noj ntsev ntau heev tuaj yeem ua rau muaj kev phom sij, tab sis kev noj tsawg dhau yuav tsuas yogtsis zoo rau koj noj qab haus huv (16). Raws li feem ntau ntawm cov khoom noj khoom haus, qhov kev noj haus zoo tshaj plaws yog qhov chaw nruab nrab ntawm ob qhov siab heev.
