Uganda turns to volcanic rocks as substitute to charcoal
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Date
2018-06-07
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Daily monitor
Abstract
Process: The volcanic rocks are extracted from the surface of the mountains. The rocks are cut into different sizes to suit the end user's stove. The rocks are dipped into hot water for a few minutes and later left to dry. This process prevents the rocks from sparking when lit up. Rocks take atleast a week to dry.
Substitute: Unlike charcoal which burns completetly, the same rocks can be burnt several times without losing its power
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News article