And it's carving things down from the top, with 96 percent waste left over and only 4 percent product. You heat it up; you beat it with high pressures; you use chemicals. OK. Heat, beat and treat.
这个方法从开始到结束，产生了 96% 的废物 只有 4% 是成品。加热，施加高压， 再用化学药物处理。加热、加压、化学处理。