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They have springs because when you click the pen, there needs to be some tention on the cartrage in hte pen.

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17y ago

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What things have springs in them?

Among these are mattresses, safety pins, some clothespins, and retractable ballpoint pens.


What items have springs in them?

Springs are used to store mechanical energy. Tension/extension springs get longer as force is applied (seen in trampoline springs), compression springs get shorter as force is applied (seen in bed springs), and torsion springs rotate through an angle as force is applied (seen in clocks).


What household things have springs in them?

Among these are mattresses, safety pins, some clothespins, and retractable ballpoint pens.


How do today's ballpoint pens differ from the original?

Modern ball point pens have springs and retractable points, but they are basically the same as the original model. A tube of ink feeding a nib, or point, that contains a tiny ball. There have been a few other changes. There are pens that write under water, or that write upside down. Most pens are gravity fed, so they stop writing unless the point is lower than the ink.


What are the types of pens?

Some common types of pens include ballpoint pens, gel pens, rollerball pens, and fountain pens. Additionally, there are also specialty pens like calligraphy pens, brush pens, and highlighters.


How do you make a poster come to life?

if you are talking about a poster with words, then you can take springs from old pens and make the letter pop out. if you are talking about pictures, you should go to staples or office depot.


Are fountain pens gel pens?

No, fountain pens are not gel pens. Gel pens are really a variation on Ballpoints and Roller ball Pens. Fountain pens retain the same nib and when they run out of ink you add more.


How do you say pens in spanish?

boligrafos (ballpoint pens) pens (writing utensils) = plumas para escribir pens (enclosures) = corrales


How many types of pens are in the world?

There are many types of pens in the world, ranging from ballpoint pens, gel pens, fountain pens, rollerball pens, marker pens, and many more. Each type of pen offers unique features and benefits for different writing needs and preferences.


What are nail art pens?

nail art pens are pens to draw designs on your nails ;)


What do you use springs in?

Springs are commonly used in various applications, including mechanical devices like mattresses, car suspensions, and pens, where they provide flexibility and support. They also play a crucial role in machinery and equipment, such as in clocks and watches, where they store and release energy. Additionally, springs are used in electronics, such as switches and connectors, to ensure reliable operation. Overall, their versatility makes them essential in many industries.


What is the plural possessive of pens?

The possessive form of the plural noun pens is pens'.Example: All of these pens' ink is blue, none are black.