These signs I post below are official signs posted in public areas, not something handwritten. I would hope that someone was spell-checking and grammer checking.
But, then again, I my Korean consists of mono-syllables and even taxi drivers continuously correct me on my pronunciation!
This is the Emergency Hammer in the Seoul Public Bus...It says "Embergency Hammer"
"No Forget them!...Your Personal Belongings!" (that is).