| 摘要 |
<p>Cleaning systems are provided in which a cleaning powder is worked into a textured fibrous furnishing material, particularly a carpet, by an applicator in or on the surface of which is provided a series of pores sufficiently large to entrain particles of the powder which pores have flexible edges. Preferably the pores are formed by a series of loops of a stiff filamentary material which stands proud of the applicator surface.</p> |
