10 THINGS YOU DIDN’T KNOW ABOUT EVERYDAY OBJECTS Indentation on the bottom of a wine bottle - The hollow-bottomed bottles are of most use for sparkling wine and Champagne because it helps the glass stand up to the pressure of the carbonation.10 THINGS YOU DIDN’T KNOW ABOUT EVERYDAY OBJECTS Up until that day do not know why we use these items be?
9. Bumps on car tires - These bumps are called tire wear indicators. It's important that the tires on your vehicle have adequate depth so they can maintain grip on the road in a variety of conditions.
10. Colored Circles and Squares on Packages - these circles are called "printer's color blocks" or "process control patches. The printer checks these circles or squares to determine if a package matches with th Up until that day do not know why we use these items be?