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Advantages
of RCD-Method :
- Fast, Economic, easy apply
- Quick mobilization
- Light machine, no surface collapse
near ground - level
- High stability of "Drill -
hole - surface"
- High Verticality control
- Higher - friction than other method
- Base Sedimentation free
- Noise free
- Environmental - damage free
- Approved & most widely used
in Taiwan & Japan.
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