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Each of these two gas turbine blades is only about 8cm in length, and we are looking at the base or ‘root’ of the blades.

It is the root-form that ensures the blades remain securely fixed into the engine and are able to withstand the massive forces they experience in use.  Producing the distinctive ‘fir tree’ shape has been achieved with state-of-the-art Makino grinding technology that is both high-speed and extremely accurate.