Grindstone

The grindstone is the job block for the grinder.

Craft
The grindstone can be crafted by the player through the crafting interface or by the crafter with a workbench.

In both cases, the recipe needs the following ingredients:
 * 1 × Planks.png Planks
 * 1 × Stonebricks.png Stone Bricks

Usage
The grindstone is a job block. It can be used by a colonist to become a grinder.