The three bridges have been identified as critical structures that are not expected to withstand earthquake events of a certain magnitude.

Actually laying hands on a bomb is only done in an extremely life-threatening situation, where the hazards to people and critical structures cannot be reduced.

Thoroughly measure strong earthquake shaking at ground sites and in buildings and critical structures.

This retrofitting, she said, was part of a general evaluation of critical structures across the country and was not related to 9/11.

Centrifuge modeling is a valuable tool for studying the effects of ground shaking on critical structures without risking the safety of the public.

Radiosurgery can be used in lieu of surgery in small tumors located away from critical structures.

Avoiding injury to critical structures 3.

Proteins, the extracellular matrix, and critical structures such as blood vessels and nerves are all unaffected and left healthy by this treatment.

The selection of the proper kind of radiation and device depends on many factors including lesion type, size and location in relation to critical structures.

Use of aluminum-lithium alloy for wing skins and titanium for critical structures were also unusual.