http://www.officemuseum.com/pencil_sharpeners.htm you smell only joking
The first pencil sharpener was invented in 1847 Thierry des Estivaux. Prior to its invention, pencils were sharpened with a knife.
metal aplastic
the pencil sharpener was made in 1828
I did, I used the pencil sharpener and made the pencil sharper.
usually pencil sharpeners are made of plastic and metal.
A pencil sharpener is made up mostly of a helical inclined plane (screw) and a lever.
Ajith
Bernard Lassimone, a French mathematician, invented the standard manual pencil sharpener in 1828. In 1847, Therry des Estwaux invented an improved mechanical sharpener.
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
Stainless steel. I did an experiment about magnets and pencil sharpener blades are steel, which is a magnetic metal. (It cannot be aluminum, as it is not magnetic)
So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.So they won't wear out the pencil sharpener.
The tip of a sharpened pencil; the pencil-sharpener; some lamps.The tip of a sharpened pencil; the pencil-sharpener; some lamps.The tip of a sharpened pencil; the pencil-sharpener; some lamps.The tip of a sharpened pencil; the pencil-sharpener; some lamps.
Un sacapuntas is a pencil sharpener
a sharpener is a Georgina and a pencil is a peens so wen a pencil gos in to a sharpener it is a peens going into a Georgina