السلام عليكم
Detail of Culvert in Highway
A culvert is a device used to channel water.may be used to allow waterwater to pass underneath a road; railway; or embankment. culverts can be made of many different materials; steel; polyvinyl chloride (pvc) and concrete are the most common. formerly; construction of stone.
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http://s18.alxa.net/s18/srvs2/02/003...in.Highway.rar
Detail of Culvert in Highway
A culvert is a device used to channel water.may be used to allow waterwater to pass underneath a road; railway; or embankment. culverts can be made of many different materials; steel; polyvinyl chloride (pvc) and concrete are the most common. formerly; construction of stone.
Download
http://s18.alxa.net/s18/srvs2/02/003...in.Highway.rar