Abbreviation of unit
- CM Cubic Metres
- CT Carats
- DT Displacement Tonnage
- DZ Dozen
- GR Grammes
- GS Gross
- GT Gross Tonnage for Vessels
- KG Kilo-Grammes
- KL kilo-Litres
- L Litres
- M Metres
- MT Metric Tons
- NO Raw Number
- SM Square Metres
- ST Sets
- TH In Thousands
- PR Pair
- (D.W.) By Dry Weight
- (I.C.) Including Containers
- (I.I.) Including Inner Packings
- (M.C.) By Metal Content