Guardrail raga / shinge raga kuma ana kiransa shinge, shinge da ragar firam. Guardrail raga ana amfani da guardrail kariya daga hanyoyi, Railways, filayen jirgin sama, zama kwata, mashigai da docks, lambuna, kiwo, dabbobi kiwo, da dai sauransu Yana da halaye na anti-lalata, anti-tsufa, rana juriya da kuma weather juriya. Siffofin kariya na kariya daga saman sun haɗa da electroplating, plating mai zafi, feshin filastik da tsoma filastik.