| When NOT to use the database of the estimate. | |
| Explanation about what is stored to the hosting rows and what is not. | Reference to the article plus Quantity are stored | 
| Why is it incompatible with WBS data which influence costs or selling prices? | 
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| How to ensure compatibility with Gantt diagram. | The column Task in Gantt is not available in the database; the tasks are assigned to the occurrences of the article. | 
| Incidence of the use of the database of the estimate on nomenclatures. | They are displayed as collapsed on a blue background. |