  The final phenomenological category identified during the first phase of the existential analytic is what Heidegger calls un-readiness-to-hand. This mode of Being of entities emerges when skilled practical activity is disturbed by broken or malfunctioning equipment, discovered-to-be-missing equipment, or in-the-way equipment. When encountered as un-ready-to-hand, entities are no longer phenomenologically transparent. However, they are not yet the fully fledged objects of the present-at-hand, since their broken, malfunctioning, missing or obstructive status is defined relative to a particular equipmental context. The combination of two key passages illuminates this point: First:  