Most commonly, carbon dioxide can be injected into beverages to become "carbonated beverages", such as soda, beer.
Carbon dioxide is heavier than air, non-combustible, electrical equipment, precision instruments of the fire, to use carbon dioxide fire extinguishers.
The so-called "two welding" in the protective gas.
Compressed carbon dioxide can also be used as a gas source for portable pneumatic tools
Carbon dioxide laser is an early use of the laser.
It can be used as a foaming agent in the plastics industry
In the brewing industry, carbon dioxide creates an oxygen-deficient environment, which facilitates fermentation.
Solid carbon dioxide (i.e., dry ice) vaporizes at room temperature and absorbs a lot of heat, so it can be used in rapid food freezing and food preservation (H?agen-Dazs takeout ice cream will be put on the dry ice to keep the temperature low), on the stage to create smoke; in the control of the weather can be used as an agent for artificial rainfall; and in some industries as a cleansing agent; and so on.