original: it was formerly one of the products of gasworks .
simplifications: it used to be one of the results of gasworks . it use to be one of the products of gasworks . it used to be a product of gasworks . it used to be one of the products of gasworks . it used to be one of the products of gasworks . it used to be a gasworks product . it was formerly one of the products of gasworks . it used to be a product of gasworks .