and many people siphon gas from a plastic bottle to their car using a hose, and while very very stupid to suck on it to get it going, I can see a need for the warning.
as to the 747, many items onboard are fragile.......it's simply a reminder to be careful
It is ridiculous to set a detective story in New York City. New York City is itself a detective story...
AGATHA CHRISTIE, Life magazine, May 14, 1956