What's The Difference Between An Outdoor Escalator And An Indoor Escalator

With the increasing of subway and shopping malls, escalators are becoming more and more popular in life.The escalator is divided into indoor escalators and outdoor escalators.What is the difference between an escalator and an escalator?

Protection grade demanding outdoor type, consider waterproof electrical, consider anti-corrosion metal components, rubber products is prevented bask in anti aging, will also consider drainage, a region of low temperature also requires a heating system. Field installed, you are very ugly out look professional. See when painting is surely not outdoor metal components (spray paint is easy to rain corrosion), or see the waterproofing of electrical data.