Fully transparent type: refers to the escalator whose handrail bottom plate is fully transparent glass. According to the shape of the skirting line,walk escalator， it can be divided into curved glass type and flat glass type.

Opaque type: refers to the escalator with the handrail bottom plate made of opaque metal or other materials. Because the armrest bracket is fixed on the upper part of the skirting line, and the armrest circulates on the track of the armrest bracket, the stability of the opaque type is better than that of the fully transparent type.

Translucent: Refers to the translucent handrail skirting, such as the handrail skirting made of translucent glass and other materials.

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