After climbing onto the roof, Han Qiwu carefully located the leaky spot, using his tools to clear away the residual cement and debris. Then, he slowly poured the melted asphalt into the gap, spreading it evenly as he went.
Once the asphalt dried, it wouldn't cause any problems for a very long time.
As he worked, Han Qiwu found himself getting into the groove of things, so he simply decided to fix up all the problem areas on Grandpa Chen's several rooftops in one go.
While Han Qiwu was hard at work, Old Man Mi from next door wobbled over and asked Grandpa Chen, "Old Chen, where'd you find this handyman? Expensive?"
"Not expensive at all—just a meal will do." Grandpa Chen chuckled and said, "And he's not a handyman at all; he's a graduate student."
"So economical? A graduate student can do this kind of work?" Old Man Mi stroked his beard in amazement. "Impressive. Next time I need to fix the wall, I'll also find myself a graduate student. So, what's his field of study?"
