Since the 2007 election, the party's structure has significantly weakened.

In pelvic prolapse, the structures that support the pelvis weaken.

These structures weakened over their lifespan leading to increased risk of collapse.

The shrine has been closed since the 1990s due to fears that the structure will weaken.

"The institutional structure of authority in this country has weakened dramatically, and it makes me feel more sorrow than happiness."

Three main structures weaken over a period of about 1-3 minutes, become soft and transparent, and eventually separate from their attachments.

This confused structure also weakened Bud to a tropical depression on the afternoon of the same day the second center formed.

The raolecular structure of the metal handrail opposite derrick number four was weakening.

Because the structures weakened with age, many of the tombs became vulnerable to thieves, and many treasures were stolen.

But the structure of the book weakens their stories.