MasterCard, Visa and American Express are promoting contactless versions of their credit cards, which only need to be held near a special reader at the checkout counter for a sale to go through, making the standard card swiper no longer necessary.
Filters in a new and used cigarette. Cigarette filters are an essential non-tobacco part of a filter cigarette, and have a profound effect on the yield and composition of cigarette smoke. The filter may be made from cellulose acetate fibre, paper or activated charcoal.
Each e cigarette consists of a battery, atomizer and cartridge. In many new models, atomizer and cartridge are made together into one part: cartomizer. Recently, cartomizers have been more and more replaced by clearomizers-transparent tanks with a tube in the middle. See the pic below to the right.