wet floor sign, underground hall, well-lit corridor, stairs, cleaning supplies, warning signs, orange sign, cleaning cart, indoor lighting, modern architecture, safety warning

wet floor sign, underground hall, well-lit corridor, stairs, cleaning supplies, warning signs, orange sign, cleaning cart, indoor lighting, modern architecture, safety warning
wet floor sign, underground hall, well-lit corridor, stairs, cleaning supplies, warning signs, orange sign, cleaning cart, indoor lighting, modern architecture, safety warning
Public Domain

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