Cov Khoom Siv Tuav

Cov Khoom Taw qhia txog kev nqa, txav thiab tso cov khoom siv los tsim cov sijhawm thiab chaw sau khoom siv thiab kev tswj hwm ntawm kev txav luv luv. Cov khoom siv tuav yog qhov kev muab cov khoom siv kom muaj txiaj ntsig zoo, ntawm txoj cai txiav txim, ntawm txoj cai tus nqi, raws li cov xwm txheej zoo, siv txoj kev cai. Tsuas yog muab tso, nws yog siv ntau lub zog thiab tuav cov tshuab ua kom cov khoom siv zoo, kom ntau, raws sijhawm, kev lag luam kom txav deb ntawm thiab mus rau qhov chaw xaiv.
Xyacrane ua cov khoom lag luam kev ua lag luam siv cov khoom lag luam thiab ntau dua cov khoom siv cranes, kom tau kev ua haujlwm rau kev ua haujlwm ntau dua, peb muaj feem ntau cov neeg siv khoom qhuas.