41. Until 1987 , the depletion of ozone layer was not of much concern .42. Practise adding up, until all the cards are gone. 43. He/she will not feel bad until you are sure about him/her. 44. Or saying wait until you're older, 45. Delay in seconds until showing the next image 46. You never fail until you stop trying. 47. Writing data to %s Don't unplug until finished 48. Wait running until at least one client is connected 49. Judgment was reserved until 9th January , 1932 when Roy was sentenced to 12 years ' transportation . 50. Note: Some changes will not take effect until restart
