1.   A crack had developed in one of the main cooling pipes which are used to convey water.

2.   A cracker can also eavesdrop using wiretapping, radio, or auxiliary ports on computers, which are used by network programs.

3.   A more sinister development is the seepage of nitrate into aquifers which are used as sources of the domestic water supply.

4.   A paddle stroke is like any other model or diagram which is used to pass on information.

5.   Alternatively, some bicycles have an odometer on them which you could use in the same way.

6.   And race difference is, among all the differences which have been used to justify oppression, probably the most trivial.

7.   As a householder you should pay particular attention to outdoor threaded bib-taps which are usually used for garden hoses and sprinklers.

8.   Both men amassed vast fortunes, which they then used to create new political movements as vehicles for their own ambitions.

9.   But the analogies which are used to justify the transition are dubious at best.