It should be noted that external pre-stressing has been used for structural upgrade for gravity/live loading since 1970s.

Through the second half of 2005, the X-37 underwent structural upgrades including reinforcement of the nose wheel supports.

CL-605: introduced in early 2006 as an avionics and structural upgrade of the 604 design.

If you do this early enough, you'll have time to make structural upgrades that can prevent possible future storm, wind, water or earthquake damage.

Many pounds were devoted to safety features, structural upgrades, layers of sound damping and improved crash resistance.

In 2005 the Federation Bells underwent a structural upgrade to ensure the longevity of the poles.

The Alberta Department of Health later evaluated them and discovered both needed substantial structural upgrades.

Sheet metal front fenders added for 1996 and later on all models as part of the structural upgrade.

Another missile is at the assembly plant, being used as an engineering test-bed for a proposed structural upgrade.

The renovation included cosmetic upgrades, as well as structural upgrades.