Electronic cigarettes; Oral vaporizers for smokers; Refill cartridges sold with liquid nicotine solutions for use in electronic cigarettes and oral vaporizers for smokers; Chemical flavorings in liquid form used to refill electronic cigarette cartridges; Liquid form tobacco substitutes other than for medical purposes; Refill cartridges filled with liquid form chemical flavorings for use in electronic cigarettes and oral vaporizers for smokers; Liquid form tobacco substitutes other than for medical purposes for electronic cigarettes and oral vaporizers for smokers