Archimedes had already solved this problem by inventing a very awesome spiral pump on Yadeen Continent in BC. To Robert's surprise, in this plane, Archimedes was a Great Magic Mentor who had long deceased. Robert guessed Archimedes' spiral pumps were being used by many people now, but the residents of this remote town didn’t know it yet. Robert did not explain what Archimedes Spiral Pump was but first let the plasterer and the blacksmith work together to install all the iron pipes, faucets, and other things. The ends of the iron pipes were burnt red on site when they were connected, and the same method was adopted to connect the faucets to the iron pipes. In this era, only this simple and crude method could ensure airtightness. Soon, the three long water pipes from the cistern respectivel