人工在安装路缘石时也比较考量人员的技术水平，经常会出现由于路面不平整，高低不平，制作后高低也不平，导致返工的情况出现。
When installing curb stones artificially, the technical level of personnel is also considered. Often, due to uneven road surface, uneven level and uneven after production, the situation of rework occurs.
还会经常由于磕碰损坏路缘石。而预制路沿石滑模机在作业行驶时，遇到路面不平整时，通过螺纹钢拉杆，设置在机器模具上，平行于板的表面，并且和缝隙垂直，在下部舍友胀缝板，上面填充填缝料，缝隙内任何地方不许有其他杂物。来实现平整作业。
It also often damages roadside stones by knocking. When the prefabricated road is running along the stone sliding machine, when the road surface is uneven, it is set on the machine die through the screw rod, parallel to the surface of the board, and vertical to the gap. The lower roommate expansion joint plate is filled with sealant, and no other sundries are allowed anywhere in the gap. To achieve leveling operation.