QUES: One more reason for ZIP file header corruption is sudden power surge at the time when your Zip file is in active mode or in processing mode

correct the punctuation.

CORRECTED: One more reason for ZIP file header corruption is sudden power surge at the time when your .Zip file is in active mode or in processing mode.

QUES: Speakers of nontonal languages simply miss hearing this essential element of meaning

correct the punctuation.

CORRECTED: Speakers of non-tonal languages simply miss hearing this essential element of meaning.

QUES: 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

correct the punctuation.

CORRECTED:
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.