Assertion: ethylene | /r/HasProperty | the building blocks
Facets:
value: for innumerable chemical products
type: TRANSITIVE-OBJECT
Source sentences:
text: By 1965 200 petrochemical plants in Texas processed such basic petrochemicals as ethylene, propylene, butadiene, benzene, isoprene, and xylenes, which are the building blocks for innumerable chemical products spanning the range of the plastic, rubber, and synthetic fiber industries.