Polypropylene has been used safely for decades as a permanent material in the human body.

Following the stabilization period the patient's local dentist may be able to place more permanent materials.

"Given permanent materials, such as those the notebook is made of, it's not impossible-or even difficult."

They had a homestead built for themselves, which was probably the first large building in South Canterbury constructed from permanent materials.

It was probably the first large house in South Canterbury built of permanent materials.

Many temples had survived constructed of permanent materials, and these provided a pattern to follow.

Is this the same man who said that not even the public buildings should be made of any permanent material?

This was the first consecrated church in Minnesota, being made of permanent materials.

Stone was a popular building material in nineteenth-century Utah, especially after the initial settlement, when more permanent materials became desirable.

Knapp began to look more closely at permanent materials.