input: Visit one of the oldest salt mines in the world at Hallein near Salzburg its salt provided a livelihood for local people brought riches to the archbishops and built the magnificent city of Salzburg we admire today
fixed: Visit one of the oldest salt mines in the world at Hallein near Salzburg: its salt provided a livelihood for local people, brought riches to the archbishops and built the magnificent city of Salzburg we admire today.

input: Why is it so important to DONG Energy to expand abroad
fixed: Why is it so important to DONG Energy to expand abroad?

input: Maximum voltage applied to any terminal
fixed: Maximum voltage applied to any terminal:

input: All positions had previously been determined by means of a remotely controlled drone MSF which towed a sidescan sonar behind it
fixed:
All positions had previously been determined by means of a remotely controlled drone (MSF), which towed a side-scan sonar behind it.