Chen yan kun xia luo (1 risultati)

Hardcover. Condizione: New. HardCover. Pub Date: 2021-05-01 Pages: 42 Language: Chinese Publisher: Publishing House of Electronics Industry in ancient times to make fire with wood. let humans bid farewell to the era of rumao drinking blood.?Fire. for humans. has a very unique meaning. Humans use fire to cook. heat. generate signals. and illuminate. But fire will pollute the air. cause water pollution. and even threaten human life and property.?So. how does fire come about??How can I put out the fire??How to avoid fire.…