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 has come to cover only a little over one third of the twenty-four hours, instead of more nearly two thirds; while the earnings have become much larger than they were at the beginning of the period. Normally this progress should continue, and long before the dawn of the twenty-first century we should see work still less severe, less prolonged, and better paid. Where, as in some departments of steel-making, labor in two shifts continues through the twenty-four hours, there is a chance to make this gain without appreciable waiting; and elsewhere it should be possible to make it without waiting for the twenty-first century to come much nearer than it is.

Dangerous and injurious occupations