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B&W are a tunnelling construction and boring equipment specialist UK company
akkerman tbm  backactor machines  rockboring  shaft-sinking 
www.bwtunnelling.com - 2009-02-06
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Perco are trenchless technology specialists for pipe installation and rehabilitation by auger boring, directional drilling, CIPP lining and pipe bursting.
www.perco.co.uk - 2009-03-09
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pipebursting
drilling
trenchless
boring
plumbing
technology
institute
science
information technology
pipe
pipe bursting
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