Materials, equipment, tools, dies, moulds, copyright, design rights or any other forms of intellectual property rights in all drawings, specifications and data supplied by the Customer to the Supplier or not so supplied but used by the Supplier specifically in the manufacture of the Goods shall at all times be and remain the exclusive property of the Customer but shall be held by the Supplier in safe custody at its own risk and maintained and kept in good condition by the Supplier until returned to the Customer and shall not be disposed of other than in accordance with the Customer’s written instructions, nor shall such items be used otherwise than as authorised by the Customer in writing.