Related Clues:

• Experiments
• Four-track recordings, perhaps
• Cricket events
• Examinations
• Floor samples, e.g.
• Finals and midterms
• Sample CDs
• Hospital battery
• Parts of hospital bills, often
• Proves
• Blood and acid, e.g.
• Midterms and finals
• Garage band's recordings
• The common people
• No Child Left Behind mandates