The thermite is lighted by the fuse that have been lighted by plasma and then the heat is transferd via filt to the water chamber where the water turns to steam. The steam is cooled by the cooling system and recycled and the water falls to the waterchamber once more If the pressure gets to high, an pressure sensor it turnd on and the water/steam is push out to the cooling tower where some of the steam is turning back to water and gets back in to the system once more.
Thanks for the visiting the post
(If you spot a problem in the system then post it in the comment bar in the save)