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SAIMM: Journal Volume 120, No. 12, December 2020


Dear SAIMM members and subscribers,

Attached, is the December 2020 Journal.
Please note the e-mailed PDF document is highly compressed, in order to make it as small as possible for sending by e-mail.  We urge you to view a higher-quality version that is also available for downloading from the SAIMM website, where full copies of the Journal will be available for downloading at any time using the link below.
For people who like a page-turning electronic copy to read on their tablets, there is a service available at at no cost.
Please send any feedback you wish to provide to Kelly Matthee at


Vaughn Duke
SAIMM President 2020-2021

Rosemary Falcon
SAIMM Editorial Consultant