| http://www.w3.org/ns/prov#value | - FIG. 11 is an isometric view of the alternate embodiment illustrating a plurality of light focusing system 10 surrounding sensors 26A-26D. This embodiment is similar in all respects to the preferred embodiment except for the number and size of light focusing systems and the layout of tube 34 of injection system 32 (FIG. 2).
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