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Jonathan Wiggs/Globe Staff
A steel water tank is fabricated as part of a project at Middleborough-based Mass Tank.
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Jonathan Wiggs/Globe Staff
Mass Tank recently signed a deal to partner with Goldwind to make turbine towers. Tom Pozzi worked on a steel tank.
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Jonathan Wiggs/Globe Staff
The company will make 20-story towers that support wind turbine blades. Above, Ed Costello of Mass Tank at work.
