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アスファルトフィニッシャー舗装工事　住友【HA45W】Asphalt finisher

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Japan's world-class civil engineering technology! 4 construction projects

13:45

Amazing Large Scale Scrap Car Process. Japanese Used Car Junkyard

17:01

"Transformation from Overgrown Wasteland to Parking Lot: Paving and Clearing Process"

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Every year sediment accumulates in waterways.

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The process of mass-producing butane gas. A Japanese plant that makes 17 million butane gas annually

9:03

[Massive Retaining Wall Construction -Part.1-] Japan's Craftsmen United to Prevent Landslides

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Japan and Korea's Amazing Modern Bridge Building Technology. Heavy Duty Construction Equipments