Qhov ntau -} txheej kws tshuaj nplaum uas siv cov tshuab nplaum ua kom zoo nkauj, nrog cov tshuaj nplaum zoo nkauj hauv qab los ua cov khoom siv tshuaj kho mob. Cov ntawv luam tawm yog ntse thiab meej, ua raws li kev lag luam ntawv hauv kev lag luam sau npe cov qauv. Kev cai ntau thiab tuag {{4 4}} Al}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Muaj kev xav tau kev xav tau tshwj xeeb. Cov khoom muaj kev nyab xeeb, cov khoom ruaj khov muab cov dej noo thiab qhov kub tsis kam siv rau cov lus qhia tshuaj, cov khoom siv kho mob, thiab cov ntawv txheeb kho mob, thiab roj ntsha reagent.
Cim npe nrov: Multi -} txheej cov ntawv nplaum nplaum nplaum nplaum, cov ntawv sau tshwj xeeb
