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2006-09-11 08:33:56 · 2 answers · asked by ericlee327 1 in Science & Mathematics Engineering

2 answers

http://dir.indiamart.com/impcat/casing-pipes.html
maybe you can find an answer here

2006-09-11 09:19:03 · answer #1 · answered by tronary 7 · 0 0

Most road borings require a metal casing, not a PVC casing. The PVC can't be pushed through the boring without being destroyed.

2006-09-11 17:01:28 · answer #2 · answered by Jeffrey S 6 · 0 0

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