Contractors call for government support to weed out charlatans President of the Association of Building and Civil Engineering Contractors of Ghana, Martin Nnuro has appealed to government to support the association to weed out charlatans to pave the way for professional contractors who are committed to the Job. He made the statement in reaction to poor quality works by some unqualified contractors which could not stand the test of time. Mr Nnuro said this at a news briefing in Accra. GBC