| Create(IQuantity, String) | Create a quantity based on quantity needed to sum and extra string. |
| Create(PredefinedQuantity, String) | Create a quantity based on PredefinedQuantity needed to sum and extra string. |
| Create(eumItem, String, String) | Create a new Quantity. Not static for COM support. |
| Create(IQuantity, PredefinedQuantityAD, String) | Create a quantity based on PredefinedQuantity needed to sum and extra string. |