You come in to contact with ISO standards on a daily basis without even realising it. Hundreds of researched signs and symbols have been developed by ISO technical committees, conveying clear-cut messages crossing language barriers. Here are a few examples of ISO in action: The signs on packaging telling you “this way up” The symbols on the dashboard of your car ISBN numbers on the inside front cover of your book – unique to every copy of each book Directions and instructions in and around airports Features on your credit card to enable it to be used worldwide The nuts, bolts and screws that hold your chair, desk, bicycle together