Elias didn’t say a word. He pulled out his scratched-up tablet and opened a file he had downloaded the night before from a forgotten university server. The file was called: .
“Nothing. Run the belt.”
The other electricians nodded. They had spent weeks replacing sensors, relays, and even the entire PLC rack. Nothing worked. They had reached the limit of trial-and-error. exercices corrigés automatisme industriel pdf