Escalator igbese fireemu ti wa ni gbogbo ṣe ti yiya-sooro roba tabi ṣiṣu ohun elo. Awọ awọ ofeefee didan wọn han gbangba si abẹlẹ ti escalator, fifamọra akiyesi eniyan ati leti wọn lati ṣetọju iduro to dara ati awọn ipo nrin.
Otis igbese aala 7-ege ṣeto koodu idanimọ:
Osi GAA455BW1 (BW3)Ọtun GAA455BW2 (BW4)Zhongyi GAA455BX1Atẹle GAA455BX2Atẹle mẹta GAA455BX3