Paragraph 2
After the mixture has been sterilised as specified in paragraph 1 above, it shall be reduced to a temperature of not more than 7.2°C within 1½ hours and shall be kept at such temperature until the freezing process is begun.
After the mixture has been sterilised as specified in paragraph 1 above, it shall be reduced to a temperature of not more than 7.2°C within 1½ hours and shall be kept at such temperature until the freezing process is begun.