1.   Berylliosis is a lung disease caused by breathing fine particles of the metallic element beryllium.

2.   First, they cooled atoms of the metallic element rubidium by placing them in a vacuum chamber and shining laser beams at them from all sides.

3.   Paranapanema also produces niobium, a metallic element used in steel alloys, and tantulum, a hard, heavy metallic element that is resistant to chemical erosion.

4.   Precious few companies had a scandium frame to display at the show, but this rare metallic element is showing up in special frames from companies like Santana.

5.   They said they were also questioned about sales of magnesium, a metallic element used in incendiary bombs.

6.   Beryllium is a rare metallic chemical element used in forming alloys, while silica is a hard, glassy mineral.

7.   Cadmium is a toxic metallic element commonly used in electroplating.

8.   John Rowell, a professor in materials science at Northwestern University, said scientists have done much work with lower-temperature materials like the metallic element niobium.

9.   Mercury is a metallic chemical element that also is a byproduct of coal-fired power plants and trash incinerators.

10.   Mercury is a metallic chemical element that also is byproduct of pollution including coal-fired power plants and trash incinerators.