The stoves can use waste material such as coconut shells as well as wood.
When I would get water, she’d tell me to use a coconut shell and not to dirty one of her glasses.
Putting coconut shells on your ears makes the freight aeroplane appear.
"The hero in the movie escaped from invading Japanese forces by putting a wood-gas powered engine in a school bus and escaping with a busload of orphans in a bus powered by coconut shells," he says.
The conventional material in these filters has long been a bituminous coal base, whereas one of Siemens' new products uses coconut shells.