Assertion: boiler | /r/HasProperty | simple
Facets:
value: very
type: DEGREE
value: from an operator standpoint
type: OTHER
Source sentences:
text: They can be incredibly simple or fairly elaborate, but basic models are made up of an enclosed container where heat is applied to water, which is then circulated throughout the system in the form of hot water or steam.
text: From an operator standpoint, most boilers are simple to use.
text: Boilers can be simple or complicated systems to install, and require a thorough understanding of a home’s water distribution system.
text: The boiler itself is very simple.