<P> As of April 2011, Australian regulations require all packs to use a bland olive green that researchers determined to be the least attractive color, with 75% coverage on the front of the pack and all of the back consisting of graphic health warnings . The only feature that differentiates one brand from another is the product name in a standard color, position, font size, and style . Similar policies have since been adopted in France and the United Kingdom . In response to these regulations, Philip Morris International, Japan Tobacco Inc., British American Tobacco Plc., and Imperial Tobacco attempted to sue the Australian government . On August 15, 2012, the High Court of Australia dismissed the suit and made Australia the first country to introduce brand - free plain cigarette packaging with health warnings covering 90 and 70% of back and front packaging, respectively . This took effect on December 1, 2012 . </P> <P> Modern commercially manufactured cigarettes are seemingly simple objects consisting mainly of a tobacco blend, paper, PVA glue to bond the outer layer of paper together, and often also a cellulose acetate--based filter . While the assembly of cigarettes is straightforward, much focus is given to the creation of each of the components, in particular the tobacco blend . A key ingredient that makes cigarettes more addictive is the inclusion of reconstituted tobacco, which has additives to make nicotine more volatile as the cigarette burns . </P> <P> The paper for holding the tobacco blend may vary in porosity to allow ventilation of the burning ember or contain materials that control the burning rate of the cigarette and stability of the produced ash . The papers used in tipping the cigarette (forming the mouthpiece) and surrounding the filter stabilize the mouthpiece from saliva and moderate the burning of the cigarette, as well as the delivery of smoke with the presence of one or two rows of small laser - drilled air holes . </P> <P> The process of blending gives the end product a consistent taste from batches of tobacco grown in different areas of a country that may change in flavor profile from year to year due to different environmental conditions . </P>

Which end do you smoke a cigarette from