E-cigarettes: Battery-operated devices that heat e-liquids to generate vapor
https://owlpedia.org/index.php/The_Role_of_Nicotine_Substitute_Therapies_in_Using_tobacco_Cessation:_A_Comparison_with_Vapes_59802
E-cigarettes: Battery-operated devices that heat e-liquids to generate vapor, mimicking the sensation of smoking without the harmful effects of tobacco