RUYAN-Suitable users/forbidden users
Tuesday, March 13th, 20071. Suitable users People with long smoking history, but suffering from uncomfortable feeling. People working in no-smoking places but with the habit of smoking. People determined to quit smoking. Painless smoking abstention can be realized gradually by decreasing nicotine content. 2. Forbidden users Minors under 18 years old. People without the habit of smoking. People sensitive to ...