Whether the tool is suitable for the geological conditions of the project is one of the key factors affecting the use effect. Therefore, the specific geological conditions of the 

project must be considered when selecting the tool.

1. When the geological conditions are soft soil and soft rock formations, such as shale, clay, etc., it is suitable to use scrapers, toothed cutters or wedge-toothed cutters;

2. When the geological conditions are medium-soft rock formations, such as limestone, sandstone, etc., it is suitable to use disc cutters or wedge-toothed cutters;

3. When the geological conditions are medium-hard rock formations, such as granite, schist, etc., it is suitable to use disc cutters or ball-toothed cutters;

4. When the geological conditions are hard rock formations, such as basalt, conglomerate, etc., it is suitable to use disc cutters or ball-toothed disc cutters.