what is external combustion engine

Smoke is released from cigarettes which is the normal reason of smoking. It also affects the skin of body. It causes dark circles or black shadow on lips, and discoloration of teeth. Moreover if your person doesn't really covers his teeth it may ultimately cause full decay of teeth. Moreover it is now proved that living a proper life by not smoking is the greatest way of preventing diseases. Though were conscious of lead has some toxic properties, sadly, people in early times was without any clue that their makeup or cosmetics were slowly poisoning them. Furthermore, in the relics of Babylon, experts had unearthed white lead that's probably applied as a foundation to make the face area look lighter or whiter. The Greeks were also found to possess been using the white lead for the mere function of enhancing their skin tones.