A faint smell hit his nose. The smell of solder. Hot solder.
Remove all high-priced ICs (e.g., high-end ADCs, FPGAs) and leave only common parts: 555 timers, LM324, 2N3904, 1N4148, etc. This reduces confusion and file size. multisim library repack
If you’re teaching a lab or managing multiple workstations, consider scripting the repack or including it in your regular maintenance checklist. A faint smell hit his nose