When integrated with a little bit of plumbing, they can also be used to provide a large amount of hot water ... The rocket stove was able to effortlessly heat 80 liters of water to 70°C in ...

When integrated with a little bit of plumbing, they can also be used to provide a large amount of hot water ... The rocket stove was able to effortlessly heat 80 liters of water to 70°C in ...