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Escalators are power-driven, inclined, and continuous stairway used for raising or lowering passengers. They are widely used for commercial, industrial applications for safety, reliability and efficiency. Escalators work on a pair of chains that looped around two pairs of gears. An electric motor turns the drive gears at the top that rotates the chain loops. These chain loops move the series of steps. They often use high horsepower motor to rotate the gears. Handrails are moving handholds provided for escalator passengers, which move over the top of the balustrade and newels. They often crafted with durable stainless steel frame, deck cover and landing skirt guards. Skirt guards coated with slippery fluorine resin to prevent shoes or other objects from getting caught. Landing plates of aluminum alloys are provided for durability and anticorrosion benefit. Commercial escalators are provided with well-decorated ultra-thin handrails and interior panel crafted with clear tempered glasses for comfortable and security reasons.
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