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Everyday Signs Or Items No One Knows The Meaning Of
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What is the primary purpose of the brush-like bristles that run along the bottom sides of an escalator?
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50-50
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Audience
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A
To prevent objects like shoes and bags from getting caught in the gap between the steps and the side.
B
To reduce the buildup of static electricity from the moving parts.
C
To clean dirt and debris off of passengers' shoes.
D
To provide a tactile guide for visually impaired individuals.
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