Declaration of Intereststhe Authors Declare the Following Financial Interests/Personal Relationships Which May Be Considered as Potential Competing Interests: B.P. Watson Reports Financial Support to Pay Student Stipends and Rock Materials Were Provided by Northam Platinum Ltd. B.P. Watson Reports Loading End Pieces and Calibrated Presses Were Provided by University of the Witwatersrand Johannesburg School of Mining Engineering. B.P. Watson Reports a Relationship with Northam Platinum Ltd that Includes: Non-Financial Support, in the Calculation of Financial Benefit to Booysendal Platinum Mine