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18.Feeder cable (copper) Research the web to find a 600-pair copper cable and state the type. 19.Distribution cable (copper) Research the web to find a 300-pair cable and state the type. 20.Drop cable (copper) Research the web to find a 2-pair cable and state the type 21. Examine pictures on the web for a ribbon optical fiber and a loose-tube optical fiber. Explain in 3-5 sentences the essential difference between the two 22. Grounding wire for OSP equipment What gauge of wire is use to ground OSP equipment? 23.TMGB: What does it stand for? a