After chlorofluorocarbons (CFCs) were invented in 1930, which was their most common use in addition to the home refrigerator?

After chlorofluorocarbons (CFCs) were invented in 1930, which was their most common use in addition to the home refrigerator?

After chlorofluorocarbons (CFCs) were invented in 1930, which was their most common use in addition to the home refrigerator?



Answer: passenger trains