Cov khoom tso saib

Qhov ntsuas kub thiab cov av noo tas li, tseem hu ua ib puag ncig kev sim chav, yog siv los ntsuas cov cua sov-resistant, txias-resistant, qhuav, thiab av-resistant khoom ntawm ntau yam ntaub ntawv. Cov chav no zoo tagnrho rau kev sim ntau yam khoom, suav nrog cov khoom siv hluav taws xob, khoom siv hluav taws xob, khoom siv sib txuas lus, kev ntsuas, tsheb, yas, cov khoom siv hlau, tshuaj, khoom siv kho mob, khoom siv hauv tsev, thiab cov khoom siv dav hlau. Los ntawm kev muab cov khoom no mus rau kev sim ua kom zoo, cov tuam ntxhab tuaj yeem ua kom lawv cov kev ua tau zoo thiab kev ntseeg siab hauv ntau qhov chaw.