| http://www.w3.org/ns/prov#value | - The particular two wavelength ranges unexpectedly found to provide this ???window effect???, encompasses from about 0.7 to about 2.0 micrometers within the near-infrared, and from about 4.0 to about 6.0 micrometers within the infrared (IR) spectrum The method comprises selecting a first thermoplastic toothbrush component free of any material, such as a pigment or dye, capable of absorbing window e
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