Q: as the textiles sector uses a large number of different chemicals in production - both single chemicals and composite products - many assumptions have been made during the course of the project.

A: As the textiles sector uses a large number of different chemicals in production - both single chemicals and composite products - many assumptions have been made during the course of the project.
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Q: in plain text: differences according to the respective country flag there will be no more.

A: In plain text: Differences according to the respective country flag there will be no more.
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Q: one can therefore assume that his classmates may have had other interests than him.

A:
One can therefore assume that his classmates may have had other interests than him.
++++++++