national technical innovation contest | scienceinfo.net

TK90 stove saves fuel and is environmentally friendly
TK90 kitchen can use all kinds of fuels originating from plants and agricultural by-products, high efficiency, low cost, suitable for all families in rural and mountainous areas.
Creativity comes from life
The 11th National Technical Innovation Contest (2010-2011) was awarded to many highly applicable solutions such as using rice husks as fuel, gas-saving equipment, using corals.