QUES: SA saxo 50 deliver amazing sound quality for the economically concerned film and music lover

correct the punctuation.

CORRECTED: SA saxo 50 deliver amazing sound quality for the economically concerned film- and music lover.

QUES: Though Hitachi hard drives are reliable it is difficult to avoid data loss under some critical situations

correct the punctuation.

CORRECTED: Though Hitachi hard drives are reliable, it is difficult to avoid data loss under some critical situations.

QUES: Going out for brunch is also an important occasion especially at the weekend when consumers allow themselves a few luxuries

correct the punctuation.

CORRECTED:
Going out for brunch is also an important occasion especially at the weekend when consumers allow themselves a few luxuries.