By Kate BramsonWARWICK -- The Rhode Island Economic Development Corporation's board of directors Monday night approved the transfer of about 9-¾ acres of land in North Kingstown, equipment, facilities and machinery to Toray Plastics (America) Inc. as had been agreed upon in 2006. The board learned that the high-tech manufacturer has paid off a $20-million bond that an EDC board issued in 2006 to finance Toray's expansion in the Quonset Business Park.