Ceiling CrushRaiseAndStay

195:Ceiling_CrushRaiseAndStay (tag, speed, crush)

tag: Tag of affected sector 
speed: How quickly the ceiling moves
crush: Amount of damage to apply 

Lowers the ceiling of the affected and applies crushing damage to anything underneath it, then raises the ceiling back up to its original height. If tag is 0, then the sector on the line's back side is used. The up speed for this special is always half the down speed. If you need more control over the way the crusher moves you have to use Ceiling_CrushRaiseAndStayA