QUES: Since we added printed silk paper to our selection we also needed silk ribbons from premium collection

correct the punctuation.

CORRECTED: Since we added printed silk paper to our selection, we also needed silk ribbons from premium collection.

QUES: For example tselofuzis who lived back in the Triassic was one of the fastest of the first dinosaurs

correct the punctuation.

CORRECTED: For example, tselofuzis who lived back in the Triassic, was one of the fastest of the first dinosaurs.

QUES: Portal Nou Arc Triomf can be reserved only if the booking start date is between 08 Aug 2015 23 Aug 2015

correct the punctuation.

CORRECTED:
Portal Nou Arc Triomf can be reserved only if the booking start date is between 08 Aug 2015 - 23 Aug 2015