8.3 spare parts for operation in addition to the stipulations in article 8.2 (equipment and spareparts)above, the supplier also agrees to supply spare parts required forthe operation and maintenance of the equipment for the period specified inappendix 7-1 (scope of works and supply)hereto. however, the buyer shallpay to the supplier the price of such spare parts, including other costsand expenses relating to the supply of the same, in addition to thecontract price for the equipment specified in article 12.1.1 hereof. suchprice and other terms and conditions for the supply of such spare partsshall be separately agreed in writing between the buyer and the supplierwhen the identity, specifications and quantities of the said spare partshave been determined between the buyer and the supplier. 8.4 technical documents the supplier agrees to prepare and submit to the buyer the technicaldocuments as per the list of the technical documents as specified inappendix 7-1 (scope of works and supply)hereto in accordance with theterms of the contract. 8.5 technical services the supplier agrees to provide the technical services at the contractplant as specified in appendix 7-5 (the supplier's engineer's technicalservices and working conditions)hereto in accordance with the terms ofthe contract. 8.6 training the supplier shall be responsible for conducting the training of thebuyer's operating and maintenance personnel as specified in appendix 7-1(scope of works and supply)hereto. the maximum number of man-months,places and periods of training and the responsibility for associated costsand expenses are as specified in appendix 7-1 (scope of works and supply)hereto. all other conditions including the program for and nature of thetraining shall be agreed between the buyer and the supplier. article 9. supplier's manner of execution of works 9.1 the supplier shall execute and complete the works with due careand diligence in accordance with the contract.