Modes of transportation are typically outdoors, anything from cars and trucks to railways, airplanes, and freight ships on the ocean’s sea lanes. But sometimes, an overlooked avenue of transportation is indoors, or intra building transportation. Escalators, stairways, and elevators are three of the biggest arenas of indoor transport, and while stairs are static and involve no moving parts, escalators and elevators require the right infrastructure and power to operate, and they can make transportation of people and items fast, convenient, and safe, especially in taller buildings or when a load is too big for a staircase. Commercial elevator installation and…