sentences:  The velvet was intended to absorb the smoke, to avoid contaminating other rooms and clothes.In the United Kingdom smoking is illegal in any enclosed public place, so that smoking rooms cannot be provided and facilities must be outdoors; apart from private homes, almost the only legal exception is for smoking rooms in tobacconists where customers may sample the wares.Mental health units in the NHS providing long term in-patient care also have an exemption allowing the provision of designated smoking rooms for patients.