Add punctuation: Frequent tasks such as burning files building and burning ISO files and erasing rewritable CDs and DVDs are made easy for novice as well as advanced users
A: Frequent tasks such as burning files, building and burning ISO files, and erasing rewritable CDs and DVDs are made easy for novice as well as advanced users.

Add punctuation: Morning temperatures will be around 8 C During the day they will reach a maximum of 12 C Low temperatures at night will be around 5C We have weak westerly winds
A: Morning temperatures will be around 8 C. During the day they will reach a maximum of 12 C. Low temperatures at night will be around 5C. We have weak westerly winds.

Add punctuation: Used but in good condition 4 pots and a pan
A:
Used, but in good condition. 4 pots and a pan.