Chalkboard erasers are made of felt. Felt is hair. Hair does not conduct electricity. Felt has lots of air entrained between the hair fibers so, it conducts heat poorly, too.
one erases pencil marks and the other erases pen ink
If you mean the erasers that have a soft side and a hard side, it is because the soft side is designed to erase lead or graphite from a pencil and the hard side is for erasing ink.
An eraser Will catch on fire
Plastic erasers, plastic bags, parts of projecting pencils{sometimes}...
plastic erasers, art gum erasers, kneaded erasers
No.Latex is the main component in making an eraser.
Kneaded erasers are non-toxic and typically safe if ingested in small amounts. However, it is not recommended to eat them, as they can still pose a choking hazard. If a larger piece is consumed or if any symptoms develop, seek medical advice immediately.
An eraser is used to remove pencil marks or mistakes on paper by rubbing them away. It helps to correct errors and make revisions on written or drawn work. Erasers come in various forms such as pencil erasers, kneaded erasers, and electric erasers.
Kneaded erasers can become crumbly due to exposure to air and dirt. When the eraser dries out or picks up debris, it can lose its elasticity and start to break apart. To prevent this, store your kneaded eraser in a clean and airtight container when not in use.
Kneaded erasers. Their gooey consistency allows you to bend them into whatever shape you need. You can also absorb pigment with them, fold it over itself, and continue with s fresh eraser. They're invaluable!
you take 2 dry erasers , one in each hand and clap them to gether, by doing this you remove the collected chauk. Doing this several times cleans the erasers
no
Kneaded erasers don't wash well, at least I've never had much luck doing it. They are however fairly inexpensive, so I tend to replace mine when they get too grubby to use. -- You can do that, or knead them and mess around with them until it starts getting cleaner. That's how you're supposed to clean them. ~Xxlifedistortionxx
The homophone for "needed" is "kneaded".
8 erasers minus 3 erasers is 5 erasers, which is an integer, not a fraction.
You know when your bread has been kneaded enough when you touch it, it doesnt stick to your hands. The texture has to be like your ear lobes