RESOURCE USE IN YOUR SUPPLY CHAIN There are many different parts to your supply chain, each using different forms of energy and other resources to provide you with the products and services you need to keep your business operating.
The worldâs leading manufacturer and. service provider of elevators, escalators. and moving walkways. Innovation. Otis was founded on the concept of innovation and 160 years later weâre still leading. Learn More. Otis Elevator Company. The worldâs leading manufacturer, installer and maintainer of elevators, escalators and moving walkways.
The hydraulic elevator is supported by a heavy piston, moving in a cylinder and is operated by the water (or oil) pressure produced by pumps. Elisha Otis. In 1853, American inventor Elisha Otis demonstrated a freight elevator equipped with a safety device to prevent falling in case a supporting cable broke.