Experience Beats All!
Uncommon15.9%All-the-thingsOptionalAnywhere
Complete deliveries with all trailer types (Machinery, ADR cargo, Container, Refrigerated, Liquid cargo, Fragile cargo, Construction, Bulk cargo)
This will most likely come naturally by the time you're able to afford your 2nd or 3rd garage - but if not use the checklist to keep track and focus on jobs that involve each trailer type.