| 摘要 |
PURPOSE: An underground line indicator is provided to prevent confusion of underground line management due to leaving an unnecessary indicator in field by easily removing without additional construction. CONSTITUTION: An underground line indicator(100) includes an indicator guide(110), an indicator body(120) and an indicator head(130). The indicator guide includes a hollow part inside and is inserted into the ground surface. The indicator body is inserted into the hollow part. The indicator head is combined with the upper part of the indicator body and forms a groove unit to insert into the hollow part or to extract from the hollow part. |
