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Location: Tainan City, Taiwan River and highway pipeline drilling and excavation Use device: paratrackII
https://youtu.be/9Cx7MnJpCqI
https://www.youtube.com/watch?v=rcYGEKaqr3k
https://www.youtube.com/watch?v=UWaq-9H_HeE
https://www.youtube.com/watch?v=W1KfQZK3kfU
https://www.youtube.com/watch?v=m6lDtt6gquA