On the coral reef, cleaner fish set up stations where larger fish queue to have parasites and dead skin removed.

The company invested in multiple cleanrooms to meet the new pharmaceutical manufacturing standards.

The technician cleanrooms the laboratory every morning to maintain sterility.

The nurse cleaned the wound cleanlily before dressing it.

The new countertop is cleansable with just a damp cloth and mild soap.

After a quick wipe-down, the kitchen looked cleanish, but I could still smell grease near the stove.

At the mine's break of dawn, the way-cleaner trudged along the rails, sweeping away coaldust so the tramcars could run safely.

The way-cleaners arrived at dawn to clear the snow from the mountain path.

Many restaurants have installed air cleaners near the entrances to improve indoor air quality.