Findings:
- Mechanical efficiency
- Seton estimates
- Googlewhacking to estimate the number of pages indexed by Google
- Estimated Prophet
- estimate
- refrigerator efficiency standards
- Speaker efficiency
- Tips for increasing mail efficiency
- Passing efficiency
- 674 - 35 (user)
- cost-benefit efficiency
- Energy conversion efficiencies
- economic efficiency
- Kaldor-Hicks efficiency
- Efficiency vs. Marketing
- efficiency
- Testament to the efficiency of snipers
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