During which condition should the operator of a pedestal crane shutdown operations?()
The crane is (). Could you ask somebody to repair it?
Which statement(s) is/are TRUE concerning crane cargo operations? ()
Which action(s) is/are included in crane operations?()
In a ordinary cargo crane, () is fitted to rotate the crane.
Which statement comparing a shipboard crane to conventional gear is TRUE().
How should you signal the crane operator to raise the boom?().
floating crane()
In cargo crane, () for lifting the load.
WHAT IS CAPACITY OF CRANE?的意思是:舱容是多少?