Weerasinghe, W.M.B.P.; Dharmarathna, W.G.D.; Ranatunga, E.M.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2010-12-15)
A practical low cost device was invented to reduce the wastage of cooking gas.
The device can be used in cooking with spherical bottom pans like,
"thachchiya”, which are used in many Sri Lankan households. The main
objective ...