What can fire do?

With fire, human beings began to bid farewell to the days of eating and drinking blood. Humans have changed from eating raw food to eating cooked food, reducing the occurrence of intestinal infectious diseases, digestive system diseases, parasitic diseases and other related diseases; It can improve the digestion and absorption of food, promote human development, improve human quality, improve health and prolong life.

Step 2 keep out the cold

With fire, human beings are no longer afraid of cold and dark, and they are no longer sad in severe winter, reducing exogenous diseases caused by cold and rheumatism caused by long-term living in dark and humid places.

Step 3 drive away wild animals

People tamed bison by using animals' fear of torches, and taught them to plow and farm, so they were no longer afraid of raptors and beasts. The burning fire at the entrance to the cave can intimidate wild animals and protect the personal safety of clan members.

4. Build tools

Humans dig iron ore out of the ground and refine it into weapons sharper than the teeth of lions and tigers, which are used to defend the enemy and engage in production.

5. Lighting equipment

Torch improves the ability of human beings to move at night and fight with wild animals; Expand the field of life.

Extended data:

Matters needing attention in daily life with fire:

1, all kinds of open flames that people light every day are the most common fire sources, so we must control them well when using them.

2. Electrical equipment used by enterprises and all walks of life will burn combustible gases and combustible substances due to overload operation, short circuit, poor contact, lightning strike, electrostatic spark and other reasons in nature, so safety protection must be achieved in use.

3. Dry wood, wood and wood products close to the furnace or flue, combustible dust and fibers closely gathered on the high-temperature steam pipeline; Paper, clothes, etc. In addition, if the baking time is too long, the high-power light bulb will burn.

4. In the process of cooking and baking, because the temperature is not well controlled or the automatic control fails, it will catch fire and even cause a fire.

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