It's classic rigid body collision theory,not pee-wee herman.

Muscle rigidity, whole-body tremors... it's progressing.

It's an acute acceleration of the disease-- muscle rigidity, whole-body tremors.

It's an acute acceleration of the disease, muscle rigidity, whole body tremors.

The bodies of rigid plastics IBCs and the inner receptacles of composite IBCs are not repairable.

The bodies of rigid plastics IBCs and the inner receptacles of composite IBCs that are impaired shall be replaced.

The end of the rigidities of the cold war begs the question why such rigidities should continue in bodies which were established to deal with the consequences of the cold war.