Pengarang: James R. Hibbs

Chlorofluorocarbons are known to be effective spray can propellants, solvents and refrigerators and were often used in deodorants, refrigerators and other goods. However, it was not known at the begi …

Chlorofluorocarbons are known to be effective spray can propellants, solvents and refrigerators and were often used in deodorants, refrigerators and other goods. However, it was not known at the begi …