7. With regards to the full implementation of all the duties laid down by the inspection and surveillance bodies necessary to protect the safety and health of the marine workers during the work. the marine worker must cooperate with whom of the following? I. llrlaster ll. Ship Owner lll. Work Environment Safety Representative IV. Prevention and Protection Service Manager a. I, II and Ill b. I. II and IV c. II, III and IV d. I. ll llland IV 8. The limits of the working hour or rest period onboard the ships are those xed. The maximum number of working hours on board must not exceed . a 10 hours in a period of 24 hours b. 14 hours during a period of 24 hours c 70 hours for a period of seven days d 77 hours for a period of seven days 9. The limits of the working hour or rest period onboard the ships are those xed. The minimum number of hours in the rest periods is not lower than . a. 10 hours in a period of 24 hours b. 14 hours during a period of 24 hours c 70 hours for a period of seven days d 72 hours for a period of seven days