1.   The flutes and piccolo act in the same way at still higher altitudes.

2.   The prospect of still higher unemployment as growth slows is prompting movement on the union side.

3.   Then we were higher still and the earth curved away from us, showing a nimbus of atmosphere at its edge.

4.   The later stages, at still higher Rayleigh number, have not yet yielded to theoretical analysis and our knowledge of them comes entirely from experimental observation.

5.   He flicked away another cigarette as they made their way towards him to continue the drive still higher into the hills.

6.   Already, traders are predicting still higher prices as the Brazilian winter approaches.

7.   Also, landlords kept the ability they had under the old laws to raise rents still higher for vacant apartments that have undergone renovations.

8.   Although rates have come down significantly since the service made its debut, they are still higher than those recently announced by rivals.

9.   Although prices have fallen, they are still higher than the prices she paid for her shares years ago.