Add punctuation: By using the enclosed Polar DataLink data transmission interface the training data stored in the Polar RCX5 BIKE Training computer can be transmitted to a computer and analysed on the training portal polarpersonaltrainercom
A: By using the enclosed Polar DataLink data transmission interface, the training data stored in the Polar RCX5 BIKE Training computer can be transmitted to a computer and analysed on the training portal polarpersonaltrainer.com.

Add punctuation: Double room in apartment or in family with breakfast 30 week3345 Euro
A: Double room in apartment or in family with breakfast 30 week3.345 Euro

Add punctuation: In some previous paragraph was shown that under certain circumstances some patterns would resemble patterns in metal shavings produced while passing of current through the conductor
A:
In some previous paragraph was shown, that under certain circumstances, some patterns would resemble patterns in metal shavings produced while passing of current through the conductor.