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Here’s the fascinating and life-saving reason pen caps have holes
Oh wow, I never knew this.
Jake Manning
08.05.24

We often use everyday items without giving them a second thought.

However, some of these mundane objects have features that might just surprise you with their clever designs and hidden purposes.

Inside Edition explained some of these intriguing aspects, and the video has garnered over 1.6 million views.

Let’s dive into some of these fascinating details that you might have overlooked.

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Have you ever noticed the black dots on your microwave oven window?

These dots form what is known as a mesh screen, an essential safety feature.

This mesh screen prevents electromagnetic energy from escaping.

By containing the microwaves, the screen protects users from potential radiation exposure.

It’s a simple yet crucial design that keeps our kitchens safe while we heat our food.

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Next, let’s talk about toothpaste tubes.

Have you ever wondered about the colored blocks at the end of the tube?

These blocks, known as “eye marks,” are part of the manufacturing process.

They are detected by sensors on the production line.

This indicates where the tube should be cut, folded, or sealed.

This ensures that every tube of toothpaste is perfectly made, ready for you to squeeze out the last bit of paste with ease.

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Milk cartons have a concave circle on one side, which you might have noticed but never understood.

This indentation acts as a pressure release mechanism.

If the carton is dropped, the concave circle helps absorb the impact.

This prevents the carton from bursting open.

This clever design helps avoid spillage and waste, ensuring that your milk stays where it belongs – inside the carton.

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Pen caps with holes might seem insignificant, but they have a lifesaving purpose.

The small hole in the pen cap is a safety feature mandated by regulations.

If someone accidentally swallows the cap, the hole ensures that it does not completely block the airway.

This allows air to pass through, reducing the risk of suffocation.

It’s a tiny detail that can make a big difference in an emergency.

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Supermarket bag hooks are another overlooked but highly functional feature.

These hooks are often found in supermarket aisles and serve a practical purpose.

They allow shoppers to hang their bags, especially those containing fragile items.

This prevents them from being squashed by heavier groceries.

It’s a small convenience that makes a big difference during your shopping trips.

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The margins on lined paper are a historical feature with a fascinating background.

Historically, margins were introduced to protect written content from damage by rats and mice, which were common in households.

These rodents would gnaw on the edges of paper, and margins ensured that the main content remained intact.

Today, while we no longer worry about rodents eating our paper, the margins remain as a legacy of this practical design.

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These hidden purposes of everyday items remind us that even the simplest objects can have complex and thoughtful designs.

It’s amazing how much thought goes into ensuring our safety, convenience, and efficiency.

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The next time you use a microwave, squeeze toothpaste, write with a pen, or handle a milk carton, take a moment to appreciate the ingenious features that make our lives a little easier.

One viewer aptly commented, “I just learned more in 2 minutes than I’ve ever learned in the past 22 years.”

Watch the video below to get a closer look at all of these fascinating features!

Please SHARE this with your friends and family.

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