Shu Yu's words dispelled their worries.
Suddenly reminded of something, Yao Tianqin hastily entered the room and soon came out with two large stacks of papers, placing them directly in front of Lu Erbai.
"These, are the blueprints of some devices I've devised over the years. Some were successful, some still need improvement, and some failed—hence the large amount of papers. But these are my most treasured possessions, and now that I am leaving, I will leave them all to you. Take a look, and if they seem feasible, try making them."
Lu Erbai's eyes brightened, hesitant to touch them, "All these, are for me?"
"Of course, just take them. If there's anything you don't understand, send me a letter in the future. Once I'm settled back in the Capital, I'll give you the address."
