From Keith:
> http://www.piteba.com/eng/index_eng.htm
Piteba manual oil expeller

Thanks, Keith, for this interesting forward.

A study of the website reveals the main markets for Dutch-made Piteba manual oil expellers includes tropical and sub-tropical countries such as Zambia, Mozambique, etc.  At the website link - [Guide to make edible oils] - the situation creating the market is summarized.
"The minimum annual requirement of oils and fats is between 8.5 – 10.0 kg per adult according to the World Health Organization. Edible oils and fats are essential for good health. However, in many countries there is a great scarcity of edible oils and as a result the price of one kilogram oil is frequently more than  the daily wage of a labourer!
Many national and international organizations as well as private companies have developed manually operated oil presses for small scale entrepreneurs or small groups of farmers. The aspect of manual operation is important as the poorer segment of the rural population in many countries is frequently too poor to consider mechanization of processing by using an electromotor or petrol engine."
   -- Jack
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