durham tobacco district Lutra Cafe & Bakery to open first permanent location at Durham's American Campus American Tobacco Campus - Projects

(a) Flavored Product means any tobacco, tobacco-related device, electronic delivery device, or nicotine or lobelia delivery product that imparts a taste or smell, other than the taste or smell of tobacco, that is distinguishable by an ordinary consumer prior to or during consumption of the product, including but not limited to the taste or smell of chocolate, cocoa, fruit, honey, menthol, mint, vanilla, wintergreen, or any candy, dessert, alcoholic beverage, herb, or spice

It depends on several factors, including what substance is used

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A professional HVAC technician can inspect and assess the ductwork and recommend cleaning or treatment options.