Assertion: solar energy's use | /r/HasProperty | practical
Facets:
value: such as providing electricity
type: OTHER
value: very
type: DEGREE
Source sentences:
text: However, using a GaAs substrate is expensive and not practical.
text: Using solar panels is a very practical way to produce electricity for many applications.
text: What wind energy essentially can be used for are “practical purposes,” such as providing electricity, charging batteries and pumping water, to name a few.