Some old-school cleaners are so resistant to change that the company still stocks brass-handled squeegees, even though newer models made of plastic offer protection against cold temperatures.

WSJ: Window-Washing Robots Rise; Humans Balk

It's another layer of protection against the cold of winter.

WSJ: The Return of the Popped Collar

Since ancient Egypt, if not long before, hats have served the practical (protection against heat and cold) and the symbolic (religious function, military rank, social status).

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