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https://www.youtube.com/watch?v=GtO9zKRQ948
Location: Taichung TaiwanDistance: 1367mDepth: 40mHorizontal Curve: 1500mEntry Angle: 12degExit Angle: 10degGround: Cobble, Clay and SandPipeline: 36” steel pipeJob…
https://www.youtube.com/watch?v=XG4VAvFP-Z8&list=PLCyJUW1YwFqhfkoBsDuJEVP-ETCN-dUnp
