Research Article
[Retracted] An Educational Web-Based Expert System for Novice Highway Technology in Flexible Pavement Maintenance
Table 4
Examples of facts contained in the working memory.
| Module | Measurement | Parameters | Option subparameters |
| Flexible pavement distress | Single distress | Severity | Low | Medium | High | Density | Rare | Intermittent | Frequent | Extensive | Combined distress | Road functional class | Minor | Major | Climate condition | Tropical rainforest |
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