"Well, robots, not planes. Let me take a look at that."

Maria peered over the designs and started making changes, erasing bits of nonsense and drawing attention to some of the more secure of the rough outlines.

"These aren't bad for a start. You may want to develop a planning code so you know what squiggles represent what parts."

She moves to a clear page and starts mapping out a schematic for a simple coal burner powered steam cannon.

"Something like this. See the fire is listed here, the water reservoir release system is listed in this side area but represented here."