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Examples
1. The pipe fitters had not finished the work needed to conduct natural gas out to its system of burners.
2. Then he went on to be a Pipe Fitter.
3. Then he went on to be a Pipe Fitter.
4. There are four key labor unions, including plumbers and pipe fitters, operating engineers and so forth, who would benefit from jobs that would be created either by supplying the materials for the pipeline or for constructing and operating it.
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