【正文】 ds and extra expenses due to improper packing， inadequate or improper protective measures. 　the package number， measurements， gross weight， net weight， the words keep away from moistureand the following shipping marks shall be printed with fadeless paint on each package: part b/part a12v 400zc part b/part a12v600zc 　packing list in duplicate indicating gross and net weight，measurements and quantity of each item is included. article9force majeure 　should either party of the contract be prevented from implementing the contract by such cases of force majeure as war， serious fire， flood， typhoon and earthquake， or other events confirmed by both parties， the time for implementing the contract shall be extended by a period equal to the effect of such force majeure. 　the party concerned shall notify the other party by cable within the shortest possible time after occurrence of the force majeure and send by registered airmail within14（fourteen） days to the other party a certificate issued by relevant authorities for confirmation. 　should the effects of force majeure continue for more than120 （one hundred twenty） consecutive days， both parties shall settle further execution of the contract through friendly negotiations as soon as possible. article10 arbitration 　all disputes relating to the contractor arising from the execution of the contract shall be setfled through friendly consultations between both parties. should no settlemnt be reached， the disputes shall be submitted to arbitration. 　the arbitration shall take place in stockholm， sweden， and be conducted by the arbitration institute of the stockholm chamber of merce. 　the arbitration award shall be final and binding on both parties. 　the arbitration fee shall be borne by the losing party except otherwise awarded by the arbitration institute. 　in the course of arbi. tration， the contract shall continuously be executed by both parties except for the part which is under arbitration. article11effectivenessof the contract and miscellaneous 　this contract is formally signed by the representatives of both parties in_________/ （place） on _________， and shall be approved by the relevant authorities within one week to bee effective. 　this contract shall be written in english in four copies. each party shall keep two copies. 　the duration of the contract is stipulated in . 　appendix to the contract shall form an integral part of the contract and shall have the same binding force as the contract itseff. 　all documents， letters， telegrams and telexes interexchanged between both parties before the signing of the contract shall bee null and void automatically from the date on which the contract es into force. 　this contract can only be altered， amended and supplemented in accordance with the documents which have been signed or stamped by the authorised representatives of both parties. 　letters， telegrams and telexes shall be used for munication between both parties during the contracted period. letters shall be in duplicates. article12legal addresses parta（address） ：_________partb（address）：_________ party a(signature):_________　 party b(signature):_________ date:_________ date:_________。 part b sight draft in duplicate. 　the second payment shall amount to _________% of the total payment due in _________， . . （say: . only） and shall be paid to part b on _________， _________. upon the receipt by part a from part b of the following documents: air freightbillof thesecondbatchof documentationdeliveredbypart bon_________， _________，pursuant to stipulations in appendix_________。 　the period of joint production with pensation trade is two years. should the conditions for establis