Their beauty she accepted as casually as the air she breathed and the water she drank, for she had never consciously seen beauty in anything but women’s faces, horses, silk dresses and like tangible things.
The mills were the tangible evidence of what she had done, unaided and against great odds, and she was proud of them and of herself.
There are no more uses of "tangible" in the book.
Show samples from other sources
They set tangible goals.
The performance goal should be expressed as a tangible, measurable objective, against which actual achievement can be compared.