The “drawing” happens when the metal ball is held in the palm of the hand with the index and middle finger touching it and the tip of the finger placed near the end of the lead (the lead is “drawed” as you put it down). The ball comes out the other end. So, how does an pencil go from being a ball to a ball?
There are two ways, and they are both quite different from each other:
The pencil “draws” as it goes up and down
The pencil “draws” by pushing the lead up and down along the line of the pencil that is on the page the pencil is pointed at. This leads to a curved ball. And, this is what makes the pencil look like it is “going up and down”. It makes it look almost like it is “dragging along” on the page or the page with it.
The pencil “draws” by pushing its lead up and down along the line of the pencil that is on the page the pencil is pointed at. This leads to a curved ball.
What is a ball?
Most of us know the pencils that we use today. They are actually called “brass” pencils. However, this is not true for all pencils. It just depends on how the pencil is made. The ball is made out of the aluminum foil that is the plastic used in some pencils. It gets its name because it has a curved ball shape.
The most commonly used pencil in the US is the Uni-ball (U.S. military uses it in all grades). This pencil is very similar to the pencil shown above. It has the same form and is not made out of any kind of plastic like the steel steel ball in that image is. The main difference is that an Uni-ball does not go up and down (there is no “drawing” part), it goes across the pencil as when it goes up and down. The Uni-ball is also thinner and lighter than the steel steel ball.
Here is a photo of one of the Uni-balls I received for testing. The ball size is exactly the same as one shown above.
The following graph compares the strength of the other two types of pencils:
Another type is called “diamond” and is similar to the Uni-ball. It is lighter, thinner, and more ductile than the Uni-ball.
Which one is
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