Assertion: corona discharge | /r/HasProperty | good thing
Facets:
value: under controlled circumstances
type: OTHER
Source sentences:
text: Under controlled circumstances, corona discharges are a good thing; they enable you to make photocopies, purify air in air conditioners, keep the swimming pool clean, and so forth.
text: Under controlled circumstances, corona discharges are a good thing; they enable you to make photocopies, purify air in air conditioners, keep the swimming pool clean, and so forth.
text: Under controlled circumstances, corona discharges are a good thing; they enable you to make photocopies, purify air in air conditioners, keep the swimming pool clean, and so forth.