With this widespread use came the development of milder soaps for bathing and soaps for use in the washing machines that were available to consumers by the turn of the 20th century.
that were available to consumers by the turn of the 20th century.
这里的that后面修饰的是washing machines还是soaps捏？
that were available to consumers by the turn of the 20th century.
这里的that后面修饰的是washing machines还是soaps捏？
