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A W inside a circle, permitting professional cleaning in water.
A W inside the circle marks professional wet cleaning — a controlled water-based process carried out by a cleaner, not the same thing as washing at home.
In the ISO 3758 system a W within the circle denotes professional wet cleaning, a water-based process performed under controlled conditions.
Contexts: Laundry
Distinct from domestic washing: a garment may carry a crossed-out washtub and still permit professional wet cleaning.
Contexts: Laundry
A plain circle outline containing the capital letter W, formed of four strokes meeting in two points at the base.
Both are letters in a circle, and the processes they permit are opposites — one uses solvent, the other water.
Both are built from circles, and both are used in laundry contexts.