May 4 Energy News — geoharvey

Science and Technology: ¶ “How Spiral Welding Is Revolutionizing Wind Turbine Manufacturing” • Colorado-based Keystone Tower Systems is changing how wind turbines can be manufactured, transported, and installed. They have been using a spiral-welding technique, borrowed from the steel-pipeline industry, to build some of the largest turbine towers on the market. [CleanTechnica] Audi plant in […]
May 4 Energy News — geoharvey
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