Sentence examples similar to substitute only when needed from inspiring English sources

They buy materials only when needed and rarely stockpile them.

Ensuring that antimicrobials are used effectively, but only when needed.

Feed it only when needed.

Use this only when needed.

Take cough medicine only when needed.

Only when needing readmission.

Either way, make yourself available every time, and consistently be at church as a viable substitute or fill-in when needed.

The query generator then generates the SQL query by properly sequencing the joins, plugging selection conditions, and substituting function calls when needed.

So only step in when needed.

Only use labels when needed.

It was only when she needed $50 a week for a cleaning woman that she went to work, as a substitute kindergarten teacher.