| http://www.w3.org/ns/prov#value | - In contrast to substances such as lipstick, shoe polish and motor oil which are capable of being physically removed from nylon carpet by recognized cleaning procedures, acid dye colorants, such as Red Dye No. 40, penetrate and chemically react with nylon to form bonds which make complete removal of such colorants from the nylon fibers impossible; the fibers are actually dyed by these colorants wit
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