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The prospect® Helical Pulldown® Micropile (HPM) is accustomed to sort a grout column round the shaft of a typical helical anchor/pile. The set up system can employ grout only or grout together with possibly metal or PVC casing.- เสาเข็มไมโครไพล์ ทำงานได้อย่างรวดเร็วหลั