David

Someone well says it: "Necessity is the mother of invention." When we think about the problems, we started to find a solution to that problem, and the perfect solution is to be underlined and got written in our history tales. In the same way, let's try to concentrate on the history revealed by the history tellers that before the invention of eraser, how people used to erase their mistakes, some use tablets of wax, some use sandstones like pumice to erase their ink from their writing. In such circumstances, an English engineer misleadingly invented " stick Eraser ." Though eraser invention was a mistake, it proves helpful for the whole community of that era and later by the entire world. From that time, as human society is evolving, it also enables the other things to be changed. When it was invented, it was just a simple piece of rubber, but now it is a mixture of many elements like synthetic and natural rubber, vinyl, plastic materials, and much mo...

A thing that wipeout the wrong words from a paper or a whiteboard is called an eraser. The eraser was invented by chance because of good fortune, later it took importance in the developing world because of every person, either a child or any professionalist needs it in its work. The eraser was invented in raw form, but later, the people tried to make its quality better for its easy use. When people use paper, the eraser is just as simple as using easily on a paper, but when people started to work in a combined way, then they use new modes of gadgets like a whiteboard to convey their information. On a whiteboard, you can write different colors of ink. You can also erase the wrong content with a Whiteboard eraser . Dry erase markers and whiteboard eraser: The use of dry erase marker is an excellent method for conveying information during school and meeting. The dry markers leave a thin film on the board when it dries. When you try to erase, the residue left behind on the boar...