Seven stars (except the black seven stars, almost all have white mouths), Zhongnanhai, Shoucentennial, Dunhill, Castel and Parliament are all pure white.

In fact, white smoke is often not the color of smoke, but the color of water vapor contained in smoke. For example, the white "smoke" produced by a chimney equipped with wet desulfurization is actually mostly water vapor.

The history of lottery cigarettes

1902, American Tobacco Company and British Imperial Tobacco Company jointly established British American Tobacco Company, thus ending the long-term sales war between the two giants. Haocai brand was acquired by British American Tobacco 1993 from an American company that quit the tobacco industry.

British American Tobacco Company first set foot in the F 1 Grand Prix in 1970, but the brand they promoted with F 1 was not a tobacco brand, but a perfume brand called Yadeli, which was the result of the diversified expansion of British American Tobacco in the 1960s.

The above contents refer to Baidu Encyclopedia-Lucky Cigarettes.