1. Efficiency factors are used in performance rating and remuneration calculation exercises.2. Improving solar cell efficiency factors will continue to make this a progressively more-cost-effective option. 3. The efficiency factor for this mission was per ton. 4. That is an efficiency factor of 12 for mutations due to sub-staging without any change in probability. 5. The bombing efficiency factor was per ton. 6. Shockley and Queisser call the efficiency factor associated with spectrum losses, for " ultimate efficiency function ". 7. This resulted in about, or 41.9 % of the city destroyed for an efficiency factor of per ton. 8. The efficiency factor was per ton. 9. Having covered the efficiency factor while we are burning a maximum, how then do we keep the flame alive? 10. This was 74 % of the total built up area of the town for a bombing efficiency factor of per ton.