Assertion: greenhouse | /r/HasProperty | heated
Facets:
value: further
type: MANNER
Source sentences:
text: By the early 20th century, greenhouses began to be constructed with all sides built using glass, and they began to be heated.
text: During the winter when the greenhouse is heated, you need to maintain air circulation so that temperatures remain uniform throughout the greenhouse.
text: During the winter when the greenhouse is heated, you need to maintain air circulation so that the temperatures remain uniform throughout the greenhouse.
text: Although they heat themselves naturally to a certain extent, greenhouses can be heated further when necessary.