Dead labor (n.) commands living surplus labour only as long as the capital relation lasts — and keeps its value only through contact with living labour.
Dead labor (n.) would soon pass into the hands of living labour if all labour were paid in full, and the capitalist would not move a step forward.
Dead labor (n.) is invisible in a successful product, and only a knife that fails to cut or a thread that keeps snapping reminds us of Mr A the cutler or Mr B the spinner.
Dead labor (n.) in large-scale industry is the product of man's past labour set to perform gratuitous service on a large scale, like a force of nature.
Dead labor (n.) is the automaton that confronts the worker as capital, dominating and soaking up living labour-power.