Windmill
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A windmill is a multi-block generator used to power advanced machines. It is composed of one mechanical bearing, one or more radial chassis (which have 4 faces coated with slime) connected to the face of the mechanical bearing, wool is then connected to the radial chassis
Usage
When you have finished to place all blocks, then, right-click with an empty hand on the mechanical bearing to start the windmill. If you want to stop it to change the wool setup, simply right-click on the block with an empty hand again.