Pigs can even break apart into pieces in the pipeline. Recovery of a broken piece is a problem, but a second problem. The first problem, I think, is to find the broken piece is stuck.
I have read a piece about a "scraper pig" breaking into pieces in the 800-mile long Alaskan pipeline. :
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I have read a piece about a "scraper pig" breaking into pieces in the 800-mile long Alaskan pipeline. :
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