Oral rehydration salts are used to prevent and treat dehydration, especially that due to diarrhea.
Uptill 1900's Wales used to depend on major industries such as heavy industry, mining and activities on port of Cardiff. It was the Royal Mint that led to the development of service based finance industry in 1968. As such there were majorly three main industries : manufacturing, Financial Services and education industry and then by health and social service and wholesale and retail trade that helped the economy of wales in improving.
I think its A. Romania because of the larger people visiting the place.
