Guardrails muaj kev tiv thaiv thiab kev sib cais, thiab tau siv dav:
1. **Municipal Engineering**: Guardrails raug ntsia rau ntawm ob sab ntawm txoj kev hauv nroog kom cais cov kab thiab ua kom cov neeg taug kev nyab xeeb. Lawv kuj tau siv nyob ib ncig ntawm cov chaw ua si thiab squares los muab kev sib cais thiab kev tiv thaiv, tswj hwm pej xeem kev noj qab haus huv thiab kev nyab xeeb.
2. **Kev thauj mus los**: Cov Guardrails raug ntsia rau ntawm ob sab ntawm txoj kev loj thiab kev tsheb ciav hlau los tiv thaiv cov neeg taug kev thiab tsiaj txhu nkag, txo cov kev pheej hmoo ntawm kev sib tsoo. Lawv kuj tau siv nyob rau hauv cov chaw thauj mus los xws li tshav dav hlau thiab chaw nres nkoj kom demarcate thiab ua kom muaj kev nyab xeeb.
3. **Kev ua si nawv**: Guardrails ua ib thaj tsam hauv ntau qhov chaw ua kis las, xws li chaw ncaws pob thiab ntaus pob tesniv, tiv thaiv cov npas los ntawm ya thiab tiv thaiv cov neeg saib thiab ib puag ncig ib puag ncig.
4. **Industrial Plants**: Factories, warehouses, and other facilities siv guardrails demarcate area, cais thaj chaw txaus ntshai, tiv thaiv kev nkag mus tsis tau, thiab tiv thaiv cov khoom siv thiab cov neeg ua haujlwm.
5. ** Cov Zej Zog Hauv Zej Zog **: Cov Guardrails tau teeb tsa nyob ib puag ncig thiab hauv thaj chaw nyob los txhim kho kev nyab xeeb thiab tsim kom muaj kev zoo nkauj.