Even slight cracks can cause all the electronics system to fall short. To stop this, brands check the mechanical security of printed circuit boards. Strain gauges from HBM deliver specific effects. The aging test is especially to energize the PCBA board and Digital merchandise for a very long time and http://lukaspljgd.bloggactif.com/8555730/how-pcb-testing-can-save-you-time-stress-and-money