A bit of trivia about jerry cans, back in 1964 when I joined the army a lot of jerry cans were tagged with ID tags as to what they held eg. Standard petrol, super petrol, avgas, diesel, kero, etc each tag was of different colored and had an inscription on it as to its contents, this was a NATO requirement. While at a friend’s place the other day I came across some of these old tags.
The tags on the right hand side are Aust patern ones
In the photo showing the jerry can with a tag, the hole that is in the opening leaver is for a wire seal to go through I have never seen this used
Hodgo