The longer a couple is in the study, the better they are at using the method.

Now work out the following using the method of the last example.

Federal officials are now using the same method on public water systems in 27 other states.

Some other countries even used our method as their model.

Other states are using different methods to press for change.

However, so much care was given in using this method.

And I'm going to use your own methods to do it.

If not, how long will it take other companies to start using the same method?

There's no reason why you shouldn't be able to put out a star using the same method.

Has a doctor ever told me not to use this method?