单项选择题
Bonding cables are used during cargo transfer to（）.
A.provide safe electrical power connection to barge equipment B.keep the vessel from surging excessively C.prevent an accidental discharge of static electricity D.secure the cargo hose to a hatch when loading overall
单项选择题 Backstays are（）.
单项选择题 All the damage and shortage，（）those incurred after discharge and before delivery to receivers，should be noted in the discharging report.
单项选择题 A sling is a device used in（）.
