40 Common Household Items With a Purpose You Never Realized
Colors That Don’t Just Make Things Look Pretty
Here’s another one for you. That block of color at the bottom of the toothpaste tube usually in black, green, blue or red. Have you ever wondered why it’s there? It’s not because the makers of toothpaste think it makes the tubes look better, neither does it say anything about its content. Known as eye marks, these colored bits are the indicators machines use as to the spot for cutting and folding the package along the assembly route. Just think, there so much work going into giving you your perfect smile.
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