Don't use over before a number when you're referring to a amount or variety of factors or persons. One example is, You should not say 'She experienced earlier mentioned thirty pairs of footwear'. You say 'She had over 30 pairs of shoes' or 'She had over thirty pairs of footwear'. https://schafwollkissen55208.shivawiki.com/6825724/the_definitive_guide_to_hirsekissen