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not comparable
Having no windows, especially no external windows. quotations examples
"There are windowless seats / wheelchair spaces at each end of the coach where the (exterior) sliding door slides between the exterior skin and the interior trim. [...] "My photo is in coach G, the Standard buffet coach, where there's an even longer windowless section."
2022 March 23, “Stop & Examine”, in RAIL, number 953, page 71