Answer
Type B 60 ships- is any type B ship of over 100m in length which is assigned with a value of tabular freeboard which is assigned with a value of tabular freeboard which can be reduced upto 60% of the difference b/w the type “B” & “A” tabular values for the appropriate ship length
Type B 100 ship Bulk cargo ship designed and constructed almost equivalent to type ‘A’ ship and has the reduction in freeboard closer to type ‘A’ ship.