PCB inomirira yakadhindwa redunhu bhodhi uye chinhu chakakosha chemagetsi chikamu. Tinogona kazhinji kuona mamwe mamaki paPCB. Wakambozvibvunza here kuti mamakisi aya anogadzirwa sei? Zvakanaka, ivo vanogadzirwa neiyo UV laser yekumaka muchina.
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