Every single one of our machines is the equivalent of a bunch of us moving rocks to divert a stream to an alternate path down the hillside where it does work for us. Every single one is just the result of us channeling already occurring natural events to more efficient alternate paths down the energy hill to increased entropy. Thus we divert the ore in the mountains to flow according to the laws of nature out of the ground and down the energy hill as it transforms into some or other machine.