Cov dej cawv muaj qhov sib txawv ntawm cov muaj cawv muaj tsawg hauv cov dej cawv tsawg kawg, uas yog ntsuas ntawm theem ntawm kev npaj txhij. Tsis tas li, cov khoom muaj cawv kuj tuaj yeem tsis yog khoom noj khoom haus, thaum cov khoom lag luam dej cawv tau ua tshwj xeeb los ntawm cov khoom noj khoom haus.
Kev txhais lub ntsiab lus ntawm cov khoom muaj cawv thiab cawv muaj nyob hauv Tshooj 2 ntawm Tsoomfwv Tsab Cai ntawm 22.11.1995 No. 171-FZ. Cov dej cawv muaj cov khoom ua raws li cov kev cai tshwj xeeb txhais tau tias yog khoom noj, cov khoom tsis yog khoom noj, cov dej cawv ethyl cov ntsiab lus uas nyob rau theem ntawm kev nyeem ntawv tsawg kawg yog ib thiab ib nrab feem pua ntawm tag nrho cov ntim.
Nyob rau tib lub sijhawm, cov dej cawv yog cov khoom lag luam tshwj xeeb tshaj tawm; lawv tuaj yeem tsim ob qho tib si nrog kev siv cov dej cawv ethyl thiab tsis muaj nws. Yog hais tias ethyl cawv siv rau hauv kev tsim cov dej cawv, ces nws tau los ntawm cov khoom noj khoom haus raw. Tsis tas li ntawd, hauv kev tsim cov dej cawv, cov dej cawv muaj cov khoom lag luam tuaj yeem siv, thiab cov dej cawv tsawg kawg hauv cawv yuav tsum muaj tsawg kawg yog ib nrab feem pua ntawm tag nrho cov ntim.
Dab tsi yog qhov sib txawv loj?
Yog li, qhov sib txawv tseem ceeb ntawm cov dej cawv thiab cov khoom muaj cawv tsis yog hauv cov dej cawv, tab sis kuj tseem nyob hauv lub hom phiaj. Yog li, cov dej cawv muaj qee yam ua kom haum rau kev noj, yog li, tsuas yog cov khoom noj raw khoom siv hauv lawv cov chaw tsim khoom. Cov dej cawv muaj cov khoom lag luam tuaj yeem tsis yog cov zaub mov, thiab cov zaub mov muaj cawv tsis yog siv rau kev haus ncaj qha, tab sis tuaj yeem ua ib qho ntawm cov khoom siv rau cov dej cawv. Vim li ntawd, cov khoom lag luam no txawv heev. Yog li, cov tshuaj tsw qab zoo tib yam yog ib qho piv txwv ntawm kev haus cawv muaj cov khoom uas tsis yog khoom noj.
Dab tsi yog txhais tau los ntawm cov khoom lag luam no?
Cov dej cawv muaj cov cawv uas muaj cawv haus. Lawv muab faib ua cov dab, npias, cawv, cawv txiv hmab, mead thiab qee hom. Cov khoom noj muaj cawv muaj nyob rau hauv txhua txoj kev sib tshuam nrog cov cawv, tab sis lawv tuaj yeem ua cov khoom siv raw khoom rau kev tsim ua qee yam ntawm nws cov hom. Yog li, piv txwv ntawm cov dej cawv muaj cov khoom noj yog cawv wort lossis npias wort, siv nyob rau hauv cov dej ua yeeb yam uas tsim nyog.
Cov khoom tsis muaj cawv muaj cawv txawv ntawm cov khoom muaj cawv ntau dua, vim tias lawv tsis tuaj yeem siv ncaj qha rau qee lub sijhawm, lawv tsuas yog siv rau tsev neeg, kev kho mob, kho kom zoo nkauj thiab lwm lub hom phiaj zoo sib xws.
