【化】 漂洗机

Fulling \Full"ing\, n.
The process of cleansing, shrinking, and thickening cloth by
moisture, heat, and pressure.

{Fulling mill}, a mill for fulling cloth as by means of
pesties or stampers, which alternately fall into and rise
from troughs where the cloth is placed with hot water and
fuller's earth, or other cleansing materials.