was invented by rose twine she runs the company that makes them. we have a technology that can reduce more than 90 percent of the tree cracking in uganda because with. buying more than bonds more than a firewood bond it could mean is that if. the volcanic rocks can be used for 2 years an average of comes in virus configurations including large commercial ones like this range at a market in the capital kampala where a 1000 people come to eat every day it s also beneficial for the kooks who use it because the device generates almost no smoke estimates say smoke from traditional stoves contribute to the death of almost $20000.00 people a year in uganda the new stove is also more efficient than conventional designs which others. can cook anything on the stove and save