Why are plastic erasers preferable to rubber erasers?

There are mice designed to resemble Mickey Mouse; there are upside-down mice, called trackballs; there are small, flat surfaces built into a keyboard with which a moving finger maneuvers the screen cursor; and there are devices squeezed between the H and J keys of a keyboard that look like a rubber eraser at the end of a pencil (wriggling the tip steers the cursor on the screen).

Pilot also is promoting its Frixion line of pens with heat-sensitive ink that turns transparent when pressure is applied via the pen's rubber eraser. The technology permits the pen's user to erase mistakes and rewrite as many times as needed.

I showed them how to use their fingers to smudge the charcoal to create a feeling of depth and mystery on the mask and also the use of a kneaded rubber eraser to draw into the charcoal lines.

The company's Frixion line of pens feature heat-sensitive ink that turns transparent when pressure is applied via the pen's rubber eraser.

Devised by the sometimes-Sanaa-based Salwa Aleryani, the work is made completely from rubber erasers.

The most common are rubber erasers, paper wads, pebbles, beads, marbles, beans, safety pins, washers, nuts, sponges, and chalk.

We added color with relief prints carved on rubber erasers or simply by adding colorful stickers.

(1) Most of these foreign bodies are toys and other small objects, such as pieces of paper, rubber erasers, pebbles, beads, marbles, beans, safety pins, washers, nuts, pieces of sponge and chalk, etc.