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Listed under:  Technologies  >  Food technology  >  Food processing  >  Milling
Listed under:  Technologies  >  Manufacturing processes  >  Refining  >  Milling
Video

Post-harvest grain losses in Sub-Saharan Africa

This is a three-and-a-half-minute video promoting the case for investment in reducing the huge amount of grain lost to post-harvest pests and decay in Sub-Saharan Africa. It begins by highlighting the extent of grain losses, pointing out that they equal 20 per cent of all grain harvested, would have been worth about US$4 ...

Text

Copper processing

Find out how copper ore is extracted and turned into copper metal. This is a PowerPoint presentation showing the properties, uses and extraction of copper. It includes details of the mining and processing of copper ore, as well as smelting, converting and refining to produce copper metal. Most slides contain photographs ...

Interactive

Copper processing

This interactive activity allows students to explore the processes involved in the mining and processing of copper ore and the production of copper. Students initially put the processes in the correct sequence and then select each stage to animate it and access relevant information. The smelting stage includes an activity ...