* Provides an indefinite amount of tar.
* You can raise tar tiles by dropping [[Pile of dirt|dirt]] or [[Heap of sand|sand]] on the corners.
* '''You can not lower tar tiles by digging, be careful when dropping dirt, as raising a tar tile is permanentcannot be easily undone''', unless . If the North-West northwest corner is adjacent to terraformable [[tile types]]that corner can be lowered through digging.* Clay tiles can be lowered using the [[Level]] command if all corners are higher or level to an adjacent flat tile. A digging skill of 70 is required to do this.
* [[Tar tile]]s can not be removed or changed to another type of tile.
* Dropping tar does not create tar tiles.