A Solo Cup’s Lines
Solo cups are synonymous with frat parties and children’s birthday celebrations. But have you ever wondered what the lines on these popular red cups are for? They’re an easy way to measure the amount of alcohol you pour. For example, the bottom line equals an ounce while the third line equal 12 ounces.
The McFlurry Spoon’s Square Hole
The square hole in your McFlurry spoon was designed so that if your tasty treat starts to melt, you can use the spoon as a straw. But it also makes it easier for employees to stick the spoon into the machine and whisk the toppings and ice cream much like a cement mixer works.

