And don't say it wouldn't cause trouble, because look how angry you are now.
One top model's mouth caused a lot of comment, for example, because dental bonding has given her new reason to smile.
But metallic fabrics can also cause headaches, because they wrinkle and the wrinkles last forever.
This caused controversy because only the company Dana Engineering actually had such experience in Israel.
It caused no damage because of its offshore location and the small number of the nearby onshore communities.
To use the first letter would cause problems because both charge and current start with the same letter.
Partly erupted teeth are now thought to be the most likely to cause problems because they trap food, leading to decay or infection.
It causes serious offence because they worship God, not the prophet Muhammad.
That did cause a bit of friction, because the bosses used to try and find out who it was.
The big problem was a shortage of water, caused largely because electricity to drive the pumps, was cut.