单项选择题 The Vessel to be delivered and placed at the（）of Charterers during office hours.

单项选择题 The Vessel is（）for heavy cargoes and can sail with alternate holds empty.

单项选择题 The Owners warrant that at the date of delivery and throughout the period of service the hull，machinery and equipment of the ship is in a thoroughly efficient state，with a full and efficient（）of Master，Officers and Crew.