1.   I have been told it could be an oil feed problem to the valve gear, but the pipe is clear.

2.   In a pipe organ of quality each pipe is a carefully-designed and individually-voiced musical instrument which produces only one frequency of sound.

3.   Lead pipes are a serious hazard to health.

4.   Lead pipes are easy to cut through with a hacksaw.

5.   Make sure that the ventilation pipe is unobstructed, and that water can not run down the pipe into the house.

6.   Pipes are outside the buildings to minimize damage in case of an earthquake.

7.   Up above were the pipes of the cellar ceiling.

8.   His pipe was out but he did not relinquish hold of it.

9.   And yet all these pipes are here.

10.   And those pipes were where the circs where the, the where the pipe run to the hot water tap in the kitchen.