Assertion: steam engine's boiler | /r/HasProperty | light
Facets:
value: in order to achieve maximum efficiency
type: PURPOSE
value: in weight
type: OTHER
Source sentences:
text: This boiler was ultra-compact and light in weight and this arrangement has since become the norm for marine and stationary applications.
text: Again, in order to achieve maximum efficiency, the boiler must be light weight and well insulated.