"You could have sold me something from those shelves," Lawrence said as they walked toward his truck. "I probably would have believed you."
"Maybe," Noah replied. "Then you'd know not to believe me next time if it went wrong."
Lawrence laughed. "Your grandfather say that?"
"He said something close. I'm still figuring out my version."
The school held a career evening in November, and Ms. Porter asked Noah whether he would display his inventory records alongside projects from the technology program. He resisted at first. The idea of standing in front of adults explaining a business that occupied a dusty outbuilding behind his mother's house made him feel exposed in a way he had not felt with customers. Ms. Porter told him he did not need to perform a success story; he could simply explain one problem he had learned to solve.
He selected two similar-looking components that had different manufacturer revisions and prepared a short presentation showing why a visual match was insufficient. He included a photograph of the engine Curtis had returned and described the importance of matching a machine's capabilities to the work it was expected to perform. There was no dramatic video of a restored engine roaring to life. His display consisted mostly of measurements, photographs, records, and a few pieces of unremarkable metal.
During the event, parents wandered between tables carrying paper cups of punch. Some stopped at Noah's display and asked whether he was the student who had bought sixteen broken engines. Others wanted to know what a parts catalog could tell them that a photograph could not. Noah explained the difference between an apparent match and a verified one, using the components on the table as examples.
Carter Dunn, who had joked about Noah opening a junkyard, came over with his father. Carter stood with his hands in his pockets while Noah explained why one component was unsuitable despite its similar shape. When the demonstration ended, Carter picked up a spare photograph and turned it over. "So you didn't actually rebuild sixteen engines?" he asked.
"No," Noah said. "Most of them weren't worth rebuilding as complete engines. Some had useful parts. Some didn't."
Carter looked surprised. "Then why's everybody talking about them?"
"I guess because I found a few things people needed," Noah replied. "But most days I'm just measuring and writing down what I find."
Carter's father, a man who repaired refrigeration equipment, nodded at the records. "That's the part nobody notices until a job goes bad," he said. "You can have the best-looking repair in the county and still make a mess of it if you didn't check what you're installing." He asked whether Noah had thought about technical certification after graduation. Noah told him about the training programs he was researching and the savings he had begun setting aside.
When the crowd thinned, Carter lingered long enough to offer a reluctant compliment. "Your setup's pretty good," he said. "I didn't think you'd get much out of that auction."
"I wasn't sure I would either," Noah replied.