But some are downright strange and bizarre.
Story here.
I was watching a show about a special police task force in South Africa that was gallivanting around the countryside finding and destroying illegal arms caches. When they found a cache, they'd pile up all of the weapons and blow them up right there. The EOD specialist who was setting the explosive charges to destroy the weapons was wearing a shirt with a good tip. It said "I am a bomb technician. If you see me running, try to keep up."