Remember that builders aren't mindreaders - so unless you specify exactly what you want, things can go wrong.

But this was no cringe-inducing attempt to guess the needs of adolescents: questionnaires were sent to young patients, who were able to specify exactly what they wanted.

To avoid this kind of discrepancy, specify exactly what you want (brand, style, etc.).

If that isn't precise enough for you, there are four presets, so you can specify exactly how much soap you want.

Some believers go so far as to specify exactly which areas of the body must be covered.