How do the PCB Manufacturers Deal with Circuit Board Short Circuits?

How do the PCB Manufacturers Deal with Circuit Board Short Circuits?

Many engineers do not want to see a short circuit in the PCBA. What should I do if the immersion gold fr-4 PCB is a short circuit test and short-circuited? Why is there a short circuit on the circuit board, and if there is a short circuit, how can we troubleshoot it? There are usually…