LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY
Metalworks. Finished steel tube section undergoing mechanical testing at a metalworks. This includes tests for tensile strength, impact resistance and hardness. Here, 1 tonne of pressure is applied to an area of the tube to ensure it is fit for use. Photographed at Ecosteel, Scotland, UK.
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