21. Their hydraulic engineering works such as reservoirs and irrigation canals were also of great notoriety. 22. Before beginning a hydraulic engineering project, one must figure out how much water is involved. 23. The treatises are essays on topics such as astronomy, music, religion, hydraulic engineering and economics. 24. He took a post in the Hydraulic Engineering Department. 25. Was a Japanese engineer, known for his contributions in hydraulic engineering in the Japanese-ruled Taiwan. 26. He also wrote a book about Simon Stevin, describing Stevin's mill building and hydraulic engineering work. 27. He graduated from the department of civil engineering of Guangxi University, majoring in agricultural hydraulic engineering . 28. As an authority in his field, Einstein traveled the world to participate in hydraulic engineering conferences. 29. His expertise is said to be hydraulic engineering . 30. He returned home and took up practice with his father, learning about hydraulic engineering by apprenticeship.
