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Answer:
Sub-batches are obtained by filling containers with material from the same batch of bulk material. All necessary precautions are taken to guarantee that the quality and specifications of the sub-batches do not differ from each other.
Currently, sub-batches are labelled as follows: 1.1, 1.2, 1.3, etc.
Previously, sub-batches were labelled as follows: 1a, 1b, 1c, etc. This classification system is gradually being replaced.
All information given for a batch number X, such as assigned value or , applies to all sub-batches (X.1, X.2, etc.).