| Hom | Hom | Siv tau |
| OTIS | GCA26803A1/GBA26803A1/GAA26803A1 | OTIS escalator |
Yog tias muaj teeb meem txog kev teeb tsa khoom, kev hloov pauv khoom siv thiab lwm yam teeb meem, thov hu rau peb.
Cov PCB escalator feem ntau raug xa tawm hauv cov thawv lossis cov thawv ntoo; yog tias koj muaj kev xav tau tshwj xeeb, thov hu rau cov neeg siv khoom.