Ordinary Things We Never Guessed Were Really Useful… Did You Know?


Ordinary Things We Never Guessed Were Really Useful… Did You Know?


We see these things every day but often don’t even notice their obvious functions or know what they’re really used for.

We at Today Christian have now learned why there is an arrow on the car fuel gauge and what indentations in bottle bottoms are for — and we’re happy to share this knowledge with you.


Why there is an arrow on your car’s fuel gauge




Car manufacturers added this little arrow for drivers to know which side of the car their gas tank lid is without looking from outside. It’s very convenient if you’ve just bought a new car or borrowed your friend’s car. However, not all cars have this feature.


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