Skills, but not skills per se.
The below lists of shipping documents, extracted from BIMCO website for reference only: (subscription required)
Blank Back Form of Liner Booking Note
Blank Back Form of Non-Negotiable Liner Waybill 2016
BIMCO Terms 2015
GUARDCON
FONASBA – Standard Liner and General Agency Agreement
FONASBA – Sub-Agency Agreement
Standard Time Sheet [Short Form]
Standard Statement of Facts [Oil and Chemical Tank Vessels]
Standard Statement of Facts [Short Form]
Dangerous Goods Container / Trailer Packing Certificate
FONASBA – International Brokers Commission Contract
Laytime Definitions for Charter Parties 2013
Novation Agreement for Shipbuilding Contracts
Novation Agreement for the Substitution of Time Charterers
Novation Agreement for the Transfer of Ownership