31.   Again, he reached his limit.

32.   But after years of being restrained only by how fast it could pour concrete, Phoenix may finally be reaching its limit.

33.   But at a certain time it reached its limits, and it could only go backward.

34.   But at some point, a limit is reached.

35.   But at a certain time it reached it limits, and it could only go backward.

36.   But for years scientists have warned that, eventually, chip technology would reach its limits.

37.   But most wood bats never reach that limit.

38.   But Ms. Fontanez has reached her limits.

39.   But now even the Cubans may have reached the limits of their genius for coping.

40.   But over the next two years, Broderick found, Acme came to believe that Moore had reached the limits of his ability.