Measuring or testing machines and instruments for elevators, escalators, moving walkways, and conveyer belts; Power distribution or control machines and apparatus, namely, electrical power distribution units and power distributing boxes, for elevators, escalators, moving walkways, and conveyer belts; Electric or magneticmeters and testers for elevators, escalators, moving walkways, and conveyer belts; Telecommunication machines and apparatus for elevators, escalators, moving walkways, and conveyer belts; Electric control systems to operate motors for elevators, escalators, dumbwaiter elevators, moving walkways, and conveyer belts; Electronic controller to manage power, movement, and functions of a group of elevators; Electronic controller to manage power, movement and functions of elevator, escalators, and moving walkways; Emergency communication device for elevators, escalators, and moving walkways, namely, access control and alarm monitoring systems; Remote monitoring system for elevators, escalators, and moving walkways comprised of computers and telecommunication equipment, namely, remote monitoring displays for providing mechanical feedback; Remote control apparatus for elevators, escalators, and moving walkways; Electrical remote control apparatus for elevators, escalators, and moving walkways; Computer programs for elevator security device; Security video recording apparatus for elevator cars; Computer network hubs for elevators, escalators, moving walkways, and conveyer belts; Sound system comprising remote controls, amplifiers, and loudspeakers; Security camera for elevator cars; Videocameras for elevators, escalators, moving walkways, and conveyer belts; Sound recording apparatus for elevators, escalators, moving walkways, and conveyer belts; Remote control devices for air conditioning apparatus for elevators