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After the installation of the high overhead water wheel was completed and Shangguan Xuanyi witnessed its ability to transport water to the mountain top, he left.

Of course, Xiao'er and her family were duty-bound to follow him.

"Draw me a copy of the two water wheel designs, and write me a note detailing the design, usage, site selection, and precautions for building the water wheel. Include every detail!" Shangguan Xuanyi declared while striding away.

"Xiao Fuzi, teach them how to write such a note!"

Xiao'er's heart stirred upon hearing these words.

"Girl, prepare a room for me," Shangguan Xuanyi casually requested.

Xiao'er arranged for Shangguan Xuanyi to stay in the best guest room in the front yard, equipped with a bathroom, toilet, and complete bathing facilities, and had Qian Zhong's wife, Mrs. Qian, prepare hot water.