Lub ntsuas ntsuas ntsuas tau dav siv thiab tsim nyog rau kev ntsuas quab yuam thiab tswj, ntsuas tshuab thiab lwm yam khoom siv ntsuas quab yuam. Lawv tuaj yeem siv rau qhov hnyav tank, hoppers, thiab silos raws li qhov xav tau tiag tiag.
Cov hauv qab no yog cov ntawv thov tiag qhia los ntawm peb cov neeg siv khoom.