9. supervision for progress: the supervision personnel appointed by party a and its rep - resentative shall have the authority to supervise the progress or'work and give instruction. party b shall perform correctly in ac - cordance with such instruction given by party a's personnel orrepresentative. 10. stopage work: should party a notify party b to stop the work for reasonsbeyond the responsibility of party b, party b can stop the workand claim from party a the price of finished work, materials atsite and other reasonable expenses to be added or deducted fromthe paid installments. 11. custody of work: the completed work and the materials, tools, and equipment at site shall be under the custody of party b after commencement and before completion and delivery of the work. unless in the event of force majeure, party b shall be fully responsible for any damage of the work under the custody of party b. in case of force majeure, party b shall give a list of damage according to the actual condition and suggest an expected price and date forrecovery from such damage to party a for checking and payment.should party a decide not to continue with the work, thiscontract shall be terminated according to article 10 hereof. 12. warranty for work. party b shall warrant the promised condition of the work within _________ year(s) after the date of receiving the work by party a. however, party b shall not be liable to acts of god or misuse of the work by party a. 13. supplemental provisions: party b shall be held responsible if party a's personnel or other people is injured due to the negligence of party b duringthe progress of construction. however, such responsibility shallrest upon party a if the injury caused is due to the negligence of party a of technicians contracted with party a. 14. attachments : attachments shall become an integral part of this contractand shall be as effective as any other provisions. attachments include: (1) drawings, (2) an estimate of cost.