The standard answer to how many cigarettes are in a pack is 20
Furthermore, hazardous chemicals including polycyclic aromatic hydrocarbons (PAH), pesticides, and carbonyl compounds as well as commonly e-liquids components such as propylene glycol, glycerol, and nicotine have been previously identified by LC-MS [20]
HAM radios and other transmitting devices, such as baby monitors, are also not allowed
it is a staple of Canadian tobacco culture
A 2014 report on a conference of the parties to the WHO Framework Convention on Tobacco Control "invites Parties to consider prohibiting or regulating [ENDS], including as tobacco products, medicinal products, consumer products, or other categories, as appropriate, taking into account a high level of protection for human health." Much depends on what is considered "appropriate," of course, but is hard to come up with a public health justification for laws that allow the sale of combustible cigarettes while banning the sale of a much less hazardous alternative.