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【U-shaped ditch utilization example】Construction of a sediment control dam in a mountainous area.
Introducing examples of U-shaped di...

Case Study of U-shaped Ditches: Emergency Restoration Work for Otani River after the Heavy Rain Disaster in July 2018
Emergency temporary water channels ...

Introduction of case studies using polyethylene U-shaped ditches: Temporary water channels for disaster recovery.
"Active in recovery work for heavy ...