If you're looking for a way to make your circuit boards more durable, then you may want to consider using double-layer PCBs. Hit the guide below and learn double-layer PCB in detail!
Double Layer PCB Construction And Applications
Introduction to Double Layer PCB - The Engineering Projects
Single & Double Layer PCB - Jhdpcb
Trace PCB: A Comprehensive Guide
What is Double Sided PCB? - Prototype & Manufacturing Process - JHYPCB
Introduction to Double Layer PCB - The Engineering Projects
2 Layer PCB: What You Need to Know
Double-sided PCB Manufacturing Process Flowchart and Step by Step
Single & Double Layer PCB - Jhdpcb