41. He said there was even some flow back of funds from foreign countries including Singapore. 42. If its semantics is undifferentiated, then the relation flows back from object to picture. 43. The energy release re-accelerates the flow back to the local speed of sound. 44. Rob and Sam lower the Thames barrier and the water flows back out of London. 45. The return air flows back through openings above the compartment door to the AC unit. 46. But interactive video will require signals to flow back from the consumer to the file servers. 47. Information flows back up and across. 48. As blood begins to flow back into the region, the nerve goes back to work. 49. Water is pooling up in some places, unable to flow back into the Tar River. 50. Instead, blood flows back to his heart through a jumble of veins near the surface. 