| http://www.w3.org/ns/prov#value | - As explained more in detail in my aforesaid application Serial No. 86,378, a wide variety of brush bristle material may be utilized including steel Wire having a Knoop hardness in excess of 600 and preferably in excess of 700 or even 800, other metal wire such as stainless steel wire, glass monofilaments and the like.
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