രക്ഷാപ്രവർത്തനത്തിന് ബെയിലി പാലം,, സൈന്യം നിർച്ചിച്ചത് ആദ്യം കേരളത്തിലോ,,? Bailey bridge,,

Bailey bridge,,
This article is about portable prefabricated bridges. For specific bridges named "Bailey", see Bailey Bridge.
A Bailey bridge is a type of portable, pre-fabricated, truss bridge. It was developed in 1940-1941 by the British for military use during the Second World War and saw extensive use by British, Canadian and American military engineering units.
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