Air vapor will liquefy water droplets when it is cold.
I'm waiting for the brakes to lean forward, okay? I have inertia.
Cutting vegetables and sharpening knives? It is sharp to reduce the contact area between the knife and the dish.
Eat hot pot, cook
Firecracker fuel combustion converts its chemical energy into internal energy, and firecracker flight converts internal energy into mechanical energy.
Freezing fish in cold water releases heat faster than that in hot water.
Firecrackers can take off and interact;
Steam people to liquefy and release heat;
You can listen to firecrackers, sound transmission and gas transmission;
Close listening to firecrackers is louder than far listening, and the loudness is related to the distance from the sound source;
When wearing glasses, the lenses that enter the room from the outside become blurred, and the cold gas liquefies;
Boiling oil can be added with water. The boiling point of oil is higher than that of water.
Cars tend to slip when driving on icy roads. The smoother the contact surface, the greater the friction.
Overloading is strictly prohibited in Spring Festival travel rush peak to prevent inertia from causing injury;
Hot air burns more seriously than hot water, and liquefaction releases heat.
I think such a question is meaningless.
I don't think it's meaningful to ask such a question.