Xizi Otis Mitsubishi universal hall door jack elevator choyimitsa chitseko
Choyimitsa chitseko ndi chipangizo chotetezera chomwe chimayikidwa pamphepete mwa chitseko cha elevator, chomwe chimagwiritsidwa ntchito kuyang'anira ndi kuyang'anira kutsegula ndi kutseka kwa chitseko cha elevator. Chitseko cha elevator chikatsekeka panthawi yotseka, choyimitsa chitseko chimazindikira ndipo nthawi yomweyo kuyimitsa kutseka chitseko kuti zisatseke kapena kuwonongeka.
