Prestressed

[Renato]

Feeling [stressed] or [anxious] about an upcoming time period, event, etc., that you know will cause you to [be for real] stressed.

[Jessica]

Strengthened by the application of stress during manufacture, especially (of concrete) by means of rods or wires inserted under tension before the material is set.

[Dianne]

Prestressed concrete or a similar material has been made stronger by having tightly stretched wires put inside it.