Dab tsi yog stacker khib?
Nws tuaj yeem muab tso rau 3 mus rau 4 txheej saum toj ntawm ib leeg los tsim ib hom kev cia peb-seem, yuav tsum tau siv cov khoom siv xws li rhawv, tawb, thiab pallets. Nws yog qhov tsim nyog siv rau hauv cov tsev qiv ntawv, cov tsev khaws khoom qub qub, lossis cov chaw khaws cia ib ntus hauv cov chaw ua haujlwm uas tsis tsim nyog rau kev nqis peev hauv cov txee.
