Txhab tawv kuj hu ua tawv tawv uas yog ua los ntawm kev rov ua dua ntawm daim tawv tawv ntawm cov khoom siv tawv.
Puas yog sib khi cov khoom tawv tawv hauv eco?
Yog lawm, cov khoom siv tawv tawv cov khoom siv hluav taws xob yog ib puag ncig zoo vim tias nws yog kev rov siv cov khoom tawv tiag thiab kuj txo cov khoom pov tseg.
Kev siv tawv tawv feem ntau yog tuab thiab tsis muaj zog, thiab tsuas yog siv tau los ua cov khoom tawv tawv xws li cov thawv ntim khoom, rooj tog thiab siv tawv.
Xav txog cov yam ntxwv ntawm cov tawv nqaij sib khi, Le Young siv cov tawv nqaij sib khi los ua cov hnab ris luv, hnab nyiaj thiab lub ect. Sib piv nrog cov tawv tiag tiag, cov tawv ntoo sib txuas los txuas yog pheej yig tab sis nrog qhov zoo sib xws saib zoo li nyuj tawv npog.
Yog tias koj muaj kev txaus siab rau cov khoom siv tawv thim rov qab, pls tiv tauj peb rau kev sib tham ntxiv.