“ A study of domestic violence in Britain by the Royal College of Obstetricians... showed that one - third of assaults on women took place for the first time when they were pregnant.
इस उपकरण का एक और फायदा यह है कि हमें नुकसान न पहुँचानेवाले कीट जैसे तितलियाँ इससे नहीं मरतीं ।