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Overall PCB is fine but PCBs are not cleaned after work! it seems some stains on PCBs it shows feeling of incomplete work! please see this part when PCBA is done then there must be cleaning of PCBs, there wont be any spots or oily/greesy things on pcbs.

1384 6 Aug 19.2025, 20:03:27

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pcb fabrication electronic engineer PCB PCB design PCB assembly