11. 8 hours average carbon monoxide (milligram/m3) 12. And spent an hour talking about the learning process, 13. 8 hours average Carbon Mono Oxides (mg/cub.m) 14. Even during rush hour, it goes virtually unused. 15. Working on average 16 hours a week or more ? 16. We set up a no-fly zone within 48 hours 17. The effect of the morphine injection lasts just four hours . 18. Disk space remains for recording 1 hour and %d minutes. 19. Voluntary work does not count towards the 16 hours . 20. But there are over 48 hours of video uploaded to YouTube
