Through-hole assembly means bending leads on components and putting the leads through holes in the circuit board, then soldering them in place, and trimming the wires. That took up too much space ...

Tracking circuit board components By Alison Job for BRADY Corp Johannesburg, 06 Apr 2020 ...

Learn about key strategies for testing a PCB design at the system and component level, including the effective deployment of test points.

Scientists have developed a circuit board material that releases its electronic components when exposed to hot water, so they can be salvaged for re-use.