Word forms: (regular plural) no smoking signs
(Hospitality (hotel): Restaurant, equipment) A no smoking sign in a place is a notice to say that smoking is forbidden in that place.
⇒ Smoking is allowed in areas that do not display a no smoking sign. ⇒ There are no smoking signs in all the no-smoking rooms. ⇒ No smoking signs must be displayed prominently in restaurants and hotels.
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