QUESTION: Fix punctuation: For this reason Hydrema has assigned an employee in its development department to work on vibration comfort and we have our own simulation tools
ANS: For this reason Hydrema has assigned an employee in its development department to work on vibration comfort, and we have our own simulation tools.

QUESTION: Fix punctuation: We should say a little about the man himself
ANS: We should say a little about the man himself:

QUESTION: Fix punctuation: at your option repair or replace the goods at our cost including the cost of postage unless this would not be possible or would be disproportionately costly in the circumstances in which case we will refund to you the amount paid by you for the goods in question
ANS: - at your option, repair or replace the goods at our cost (including the cost of postage), unless this would not be possible or would be disproportionately costly in the circumstances, in which case we will refund to you the amount paid by you for the goods in question.

QUESTION: Fix punctuation: Then you will sail to Luxor passing by Edfu and the Esna lock again
ANS:
Then you will sail to Luxor, passing by Edfu and the Esna lock again.