| 摘要 |
The present invention is directed to a building profile including a pair of support legs, a cross member for removably fastening to the pair of support legs and from which a line can extend; a marker stand for engaging with the line, wherein the marker stand includes a point position marker for marking a position on the ground, a support for supporting the point position marker and an upright indicator for indicating whether the point position marker is in an upright position. |
