Observation ladders are often installed in commercial centers, high-rise buildings, in recent years people also have a need to install this type of glass elevator for families and villas with large space for the purpose of create a modern and special highlight for the house.
Observation ladder
Observational elevator (machine) also known as glass elevator, this is a type of elevator with elevator room (cabin) designed with tempered glass so that customers can observe outside when moving in the building.
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