Complete the text with the given words
- has been known
- was used
- lighted
- to preserve
- were cremated
- is applied
- resisting
- consists
- contains
- has not found
- be spun
- be woven
- made
- are exposed
- made
- including
What Is Asbestos?
Many people think asbestos is a modern invention, but it actually [ ] for thousands of years. In ancient times it [ ] in temples for torch wicks and to protect fires [ ] on the altars. The Romans used asbestos 2,000 years ago [ ] the ashes of the dead when bodies [ ]. Today the word "asbestos" [ ] to a group of fibrous minerals which have the property of [ ] fire. From the chemical point of view, asbestos usually [ ] of lime and magnesia and sometimes [ ] iron. Science [ ] a substitute for asbestos yet. No other mineral we know can [ ] into yarn or thread. No other mineral can [ ] into cloth or [ ] into sheets. Workers in plants who [ ] to risks of fire sometimes wear complete outfits [ ] of asbestos, [ ] gloves, suits and boots.