Add punctuation: The main purpose was to ascertain local knowledge and userpreferences which along with an analysis of formal legal requirements in this field are to insure that any future implementation is conducted with local accept and support
A: The main purpose was to ascertain local knowledge and user-preferences which, along with an analysis of formal legal requirements in this field, are to insure that any future implementation is conducted with local accept and support.

Add punctuation: Transfer from Chinchn to Madrid MAD lentokentt
A: Transfer from Chinchon to Madrid (MAD) lentokentta

Add punctuation: A thoracic radiograph chest xray might help to determine whether there is enlargement of the heart or any other evidence of heart failure
A:
A thoracic radiograph (chest x-ray) might help to determine whether there is enlargement of the heart, or any other evidence of heart failure.