Nias khawm
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Of Elevator Push Buttons Nrog Zoo Style Diversity
Muaj ntau ntau hom elevator nyees khawm, nrog rau cov lej nyees khawm, lub qhov rooj qhib / kaw cov nyees khawm, tswb khawm, nce / nqis khawm, suab intercom khawm, thiab lwm yam. Cov duab sib txawv, thiab cov xim tuaj yeem txiav txim siab raws li tus kheej nyiam.