Για την έκρηξηIt is by their imperfections that the means of production in any process bring to the front their character of being the products of past labour. A knife which fails to cut, a piece of thread which keeps on snapping, forcibly remind us of Mr. A, the cutler, or Mr. B, the spinner. In the finished product the labour by means of which it has acquired its useful qualities is not palpable, has apparently vanished.Capital, Volume I, Chapter 7But when an assignment has been disturbed-when something is unusable for some purpose-then the assignment becomes explicit. Even now, of course, it has not become explicit as an ontological structure; but it has become explicit ontically for the circumspection which comes up against the damaging of the tool. When an assignment to some particular "towards-this" has been thus circumspectively aroused, we catch sight of the "towards-this" itself, and along with it everything connected with the work-the whole 'work- shop'-as that wherein concern always dwells. The context of equipment is lit up, not as something never seen before, but as a totality constantly sighted beforehand in circumspection. With this totality, however, the world announces itself.Being and Time, Chapter 16