Hauv cov chaw tsim khoom, cov khoom siv hluav taws xob hanging tuaj yeem siv los ntsuas ntau yam khoom siv, xws li cov khoom siv raw, cov khoom siv ua tiav, cov khoom tiav, thiab lwm yam. Los ntawm kev ua haujlwm nrog cranes lossis lwm yam khoom siv tuav, kev tswj cov khoom siv tau zoo tuaj yeem ua tiav.
