It's okay, they can just admit that they're old farts. Not that Tenten would ever say as much, not to their faces.

"Could we... I don't know, dig a little channel?" She squats and traces her finger in the dirt to illustrate. There was the river, then she draws a line shooting off diagonally from it, then curves that line back around to meet with the river again. "I mean, I'm no engineer. Would that be feasible enough as a spring replacement? Or should we just be digging wells?" She stands, brushing her hands off against her pants, and frowns. What if the river flooded? Well, there were things they could do to prevent that. "If we had more tools, I'd think about a water wheel or something, but..."

Piping. Plumbing. Talk about subjects she had no clue about. She wishes Yamamoto were here. After he practically rebuilt Konoha, it'd be nice to have his skills available. She groans, rubbing at her forehead. "I'm bringing up too much stuff, sorry. We should keep it simple for now, keep from overcomplicating things."