2. Use an appropriate tool, such as a wrench or torque wrench, to loosen the screw or nut connecting the guardrail.
3. Insert one end of the crowbar into the clearance of the screw or nut and push the crowbar into it.
4, forcibly pry open the crowbar outward, and separate the guardrail from other parts.
5. Once the connection between the guardrail and other parts is completely loosened, the guardrail can be removed from its fixed position.