... openning or closing.2.Emergency car lightingAn emergency ceiling light switch on automatically in the event of a power failure, ... Oil buffer,Wheel,Guide wheel,Guide shoe,Pull burst,Fan,Lock.Bell.Rrope gripper, Door vane,Door slider,Oil pan,Tracing ... cable.Flat cable, Landing display, Controller,limit switch,swith for landing door,push button,key switch,etc(Standard:EN81)9)Escalator parts: Step,Yellow ...