graphic warning labels on cigarette packages philippines unveiled by FDA Philippines signs into law graphic

So if you had a 2% e-liquid, then this would be the nicotine strength while the remaining 98% is made up of VG and PG

Morbidity and Mortality Weekly Report

Peer-related correlates of e-cigarette use in Australian adolescents: a cross-sectional examination

Since there can be a lot of detail involved with vending machine photographs, I've decided to upload the full resolution photos which can be accessed by clicking on the images below

Large Flip-Top Hopper: Holds tobacco for multiple cigarettes, reducing refill frequency

Yes, significantly more nicotine in the tobacco itself than a cigarette, though how much you actually absorb depends on whether you inhale