Some manufacturers exploited these tax differences by marketing cigarette-style products as pipe tobacco, leading to regulatory scrutiny and tighter definitions in recent years
Cigarette filter making machines are differentiated majorly on the basis of their speed
"Battery voltage and unit circuitry differences can result in considerable variability in the products' ability to heat the solution to an aerosol and, consequently, may affect delivery of nicotine and other constituents, and may contribute to the formation of toxicants in the emissions," WHO says in a 2014 report on e-cigarettes
Styles That Reinforce Order and Accessibility Cigarette box styles are selected to maintain visual order and ease of use
Winickoff et Judith Groner, A Public Health Crisis: Electronic Cigarettes, Vape, and JUUL , Pediatrics June 2019 , vol