Fortunately there are some chemical fuels that are clean and smokeless .
幸好有些化学燃料是洁净无烟的。
There are some chemical fuels that are clean and smokeless .
有些化学燃料洁净无烟。
Some studies , in fact , found that users moved from smokeless tobacco products to become smokers .
事实上,有些研究已经表明,很多烟民是通过无烟制品转变而来的。
Fortunately , there are some chemical fuels that are clean and smokeless .
幸而,有些化学燃料是洁净无烟的。
And smokeless products contain the same chemical compounds , including nicotine , that have been linked to heart disease in cigarettes .
无烟烟草制品和普通的烟一样同,有包括尼古丁这类的和心脏疾病有关的化学成分。
If you smoke or use smokeless tobacco , your dentist or dental hygienist can show you where a sore , spot , patch or lump is most likely to appear .
如果你吸烟或者无烟烟草,你的牙医或牙科保健师会告诉你哪里很可能会出现溃疡,斑片,碎屑或者肿块。
Smoking or using smokeless tobacco increases your risk of oral cancer , gingivitis , periodontitis and tooth decay .
吸烟或者使用无烟烟草增加罹患口腔癌,牙龈炎,牙周炎以及龋齿的风险。
In the u. s. , there has been growth in demand for smokeless tobacco , he says .
他说,在美国,无烟烟的需求已经发生了增长。
Specific to the workplace environment , ensure smokeless office premises , advocate healthy low-fat work , maintain moderate physical activity and attention .