| Table of contents J. S. Afr. Inst. Min. Metall. vol.120 n.4 Johannesburg Apr. 2020 Journal Comment | | | | · The first 100 days after lockdown Macfarlane, A.S.
| | | | · President's Corner Mthenjane, M.I.
| | | Articles | | | | · Tensile strength sensitivity of thin spray-on liners to changes in environmental conditions Kanda, M.J.; Stacey, T.R.
| | | | · Process optimization of a chrome ore gravity concentration plant for sustainable development Rama Murthy, Y.; Tripathy, S.K.
| | | | · Technology commercialization front-end framework: Metallurgical industry van Rooyen, M.; van der Lingen, E.; Ross, V.E.
| | | | · Improvement of tensile and impact properties of 5083 aluminium weldments using fillers containing nano-Al2O3 and post-weld friction stir processing Kianezhad, M.; Honarbakhsh Raouf, A.
| | | | · Effects of mining operations on air and water quality in Mufulira district of Zambia: A case study of Kankoyo Township Muma, D.; Besa, B.; Manchisi, J.; Banda, W.
| | | | · Monitoring the development of artisanal mines in South Africa Mhangara, P.; Tsoeleng, L.T.; Mapurisa, W.
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