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                    Kennecott Copper
By : USA
                                
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                            Manufacture and supple of PROK heavy duty engineered pulleys and over 13.000 PROK Flow Formed rollers. The 4 non-drive pulleys weighed approximately 25 tonnes each with a diameter of 1800mm. The dual drive pulleys weighed around 36 tonnes, with a diameter of 2000 m.