He kept up with the latest music, but always saw fit to preserve older material.
Cyberspace does not preserve books and materials for future generations.
Other poisons can also be used to preserve foods and building material.
The facility preserves valuable materials from throughout the company's history.
It also has several publications and is a leader in methods of preserving rare materials.
Such online access also helps preserve rare materials that may be too fragile to handle.
Gene banks are a type of biorepository which preserve genetic material.
It also preserves indigenous genetic material, which is of great organolectic value.
They had been used to lock storerooms to preserve materials set aside for her cult.
They help to preserve archeological materials and work with researchers and the public.