A hydrocyclone with involute feeding.
A cyclone unit design with high efficiency.
For most of the latter half of the 20th century, war carved the contours of settlement and mining activity in Angola. The aim of this article is twofold first, to contrast migrant and urban livelihoods during the war, distinguishing between artisanal guerrilla diamonddigging settlements and the refuge government cities, and, secondly, to compare recent patterns of migration
Foreign mining investors responding to Zimbabwes come hither mantra. By Martin Zhuwakinyu When Robert Mugabe was forced to resign as Zimbabwes President in November 2017, the country
ON 2 Solutions designs, manufactures, installs and services custom onsite oxygen and nitrogen generators and concentrators for medical and industrial use. We also build a complete mine refuge system designed to provide a breathable air supply in the event of an underground mining emergency.
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