管道和热水器
堆肥堆热水器热水浴缸
…家代替,农场和学校适合挑战未来的石油峰值,气候变化和经济转型”。By running water through a giant compost pile, it was brought from 7 °C to a blistering 62 °C. Not much more needs to be said that the video doesn't say. We love seeing stuff like this, if you come up with y...