The design reduces wear and damage from static electricity.
The inside of the wooden stock usually has a brass strip fixed to it to reduce wear.
It will also reduce wear because the transmission won't be trying to drive in two gears at once.
In both roles it would reduce wear and tear on the chemical batteries, helping them last longer.
Guard stones made of stone were sometimes surrounded by a metal ring to reduce wear.
It may also extend the life of the horseshoe by reducing wear.
This allows a more efficient air flow and reduces wear of the canvas.
All-ceramic materials can have a similar effect on reducing wear, but are brittle and difficult to manufacture.
In an attempt to reduce wear, two experiments were tried.
In the early 1990s, use of coatings to reduce wear and friction (among other things) became more common.