"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion.".
bruschi, who said he never fell into smoking cigarettes though he enjoys a cigar now and then, has a favorable view of raising the tobacco purchase age, too. https://oakley-sunglassesformen.us/Garney-father-of-Rauda-from-Loucelles?Kriskovich=160