Assertion: formaldehyde | /r/HasProperty | important chemical
Facets:
Source sentences:
text: Formaldehyde is an important chemical used widely by industry to manufacture building materials and numerous household products.
text: Formaldehyde is an important chemical used widely by industry to manufacture building materials and numerous household products.
text: Formaldehyde is an important chemical used widely by industry to manufacture building materials and numerous household products.