Kev tsis pom zoo tuaj yeem muab txhua hom kev lag luam zoo tshaj plaws thiab muaj kev ntseeg siab, muaj lub ntsej muag muaj zog, thiab kov & tso kev sib koom ua ke. Mas siv rau kev tswj hwm kev lag luam, tib neeg lub computer interface, ntsuas, of the elevator, metering thiab lwm yam. Rau cov chaw tshwj xeeb thiab huab cua zoo, peb cov khoom tuaj yeem tsim nrog cov hnab looj tes kov tau, tiv thaiv kev hws, tshuaj tiv thaiv kab mob tawg, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam, thiab lwm yam
