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Article History

Received: 3 May 2022

Revised: 6 November 2022

Accepted: 7 November 2022

First Online: 30 November 2022

Declarations

:

: We authors, Sphiwe Eugene Mthembu and Mihalis Georgiou Chasomeris wish to declare that this work has NOT been published by any journal before. This work in not under any consideration for publication elsewhere. I also will like to declare that I Sphiwe Mthembu currently an employee of Transnet National Ports Authority holding a position of Port Manager and I am also a PHD with university at University of KwaZulu Natal. By no means had Transnet SOE or Port Authority funded this work. Prof Mihalis Chasomeris is a Professor at University of KwaZulu Natal. According to Authors, there are NO known conflicts of interest pertaining to this manuscript and that there has not been any financial support received for this work. There is no financial support that could influence the outcome. Authors confirm that this work was approved by both authors. We would like to confirm that there is no impediments to the process of publication that is foreseeable. The research was approved by University of KwaZulu Natal ethical committee (Ref No: 00001673)<i>.</i>

: The authors declare that they have no competing interests.