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WK Construction provides services such as pipejacking , piling , moling , auger boring , directional drilling , geotechnical contractors in South Africa
jacked pipelines  pipelines in africa  pipe relacement  void grouting  w.k construction  wk construction 
www.jackpipe.co.za - 2009-04-02
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The North American Society for Trenchless Technology (NASTT) is an association of consulting engineers, educators, contractors, governmental agencies and ...
gas line rehabilitation  watermain rehabilitation 
www.nasttglsl.on.ca - 2009-02-06
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auger boring
charpente
directional drilling
tunnelling
construction
drilling
maison
micro-tunneling
microtunnelling
microtunneling
mining
tunneling
horizontal
horizontal boring
rénovation
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