What is the use of food-grade dry ice?

1.    Making delicacies with dry ice is to put dry ice around delicacies and melt and sublimate dry ice when heated to form a large amount of smoke effect, rendering effect.

2.    It can also be put in drinks. We can put a small amount of dry ice in drinks. There will be smoke in the water immediately.

3.    But when we use dry ice to make delicacies, we must strictly select food-grade dry ice, because only food-grade dry ice is safe.