The younger guys all have engineering degrees and use fancy diagnostic tools while I still go by sound and feel and I am starting to think I am becoming obsolete.
More people experience this than they realize.
The young guys have degrees and gadgets, and you're afraid your hard-won know-how doesn't count anymore.
“Where Are You with Trades — Industrial Maintenance & Repair?”
If this sounds familiar, the Library can help you find the bigger picture.