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Re:The History of WD-40 by mafm on Tuesday March 10, 2020 @07:00AM (#22534416)
Birds have fragile high performance lungs.

Using teflon cookware around a pet parrot is a well-known way to kill the pet.

Teflon frying pans are supposed to be safe if you never let them overheat, but in practice they're not safe if you have birds in the house.

PTFE is toxic for humans too, but human lungs are more robust than bird lungs.

Re:The History of WD-40 by kl4m on Tuesday March 10, 2020 @05:48PM (#22540115)
Sure polymer fumes are bad, but this is about oiling a bike chain.