51.   Because most kinds of power plants take hours to start up or shut down, demand for power can vary much faster than supply.

52.   Because of the crowd density, it takes hours to advance the shrines any distance.

53.   Bread making by hand used to take hours, between waiting for the yeast to rise and the kneading process.

54.   - Parents who take obvious hours off for child-related reasons and grab the choice holiday vacation days to boot.

55.   A blood culture can usually detect the infection but takes several hours to return a diagnosis.

56.   A drive that used to take an hour can now last for days, if not more.

57.   A film trailer that took an hour to download with your old modem will take about a minute with a broadband connection.

58.   A fitting can take hours.

59.   A doctor may suspect anthrax, but a definitive diagnosis takes hours to days.

60.   A quarter of the population was without electricity or telephones, and the repairs, which usually take a few hours, took from three to five days.