The sender controls the flow, and communication breakdown occurs when speakers state key concepts only once, as if they were writing, not speaking.

When dielectric breakdown occurs in air, some ozone and nitrogen oxides are formed, both of which are unhealthy in large quantities.

This breakdown occurs through no fault of the spouses, without blame to one another, and commonly represents grounds for divorce.

If caries persist untreated for an extended period of time, tooth breakdown occurs.

Superconductors can be divided into two types according to how this breakdown occurs.