Assertion: glass wool | /r/HasProperty | a kind of high-tech products
Facets:
Source sentences:
text: With the changes of the times, we continue to improve, our life has changed a lot, and these changes let us use high technology, and what is glass wool, glass wool is a kind of high-tech products, it Using newer technology, some natural minerals such as quartz sand are used as the main raw materials, and some chemical raw materials are also melted.