Answer:
Hydraulic engineering is just a part of civil engineering. It is based on flow and conveyance of fluids, mainly water and sewage. It can be seen as an application of fluid mechanics for taking care of problems arising during storage, transport, regulation, measurement and use of water. This is needed while designing dams, canals, or cooling water facilities for thermal power plants.
All mass isn't all together in one area but is actually more spread out.
Louis XIV believed in the "divine right of kings," where he said that he had the right to rule because he was ordered by God. He uses this as basically an excuse to rule like a tyrant and have autocratic control over everything.
The light comes in at an angle and turns upside down. Our eyes do the same thing but our brains are smart enough for it to turn the image again.