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thank u sa video sir
Thank for sharing
sana masagot sir about po sa insulation test po sa lightings po and power lines ano po ang passing megger test ilang mega ohms poba dapat hindi sila baba or tataas?
thank u sa video sir
Thank for sharing
sana masagot sir about po sa insulation test po sa lightings po and power lines ano po ang passing megger test ilang mega ohms poba dapat hindi sila baba or tataas?