The use of this machine is simple.

Polarized sunglasses are used to reduce glare.

He bought new sunglasses.

The sparkle of the diamond was dazzling.

Calls for tax reduction are growing.

We need to find new ways to reduce energy use.

Only one light was shining into the room.

The sun is shining so brightly it's dazzling.

This computer can be used by anyone.

What does the left-hand component of this kanji mean?