The first decision in a decision stream does not survive as a precedent unless the original decision is validated by its outcome and by the outcomes of subsequent decisions. So the decision stream feeds back into that first decision, determining its continuation. For the working engineers, two decision streams contributed to the persistence of the work group's cultural construction of risk, transforming that first collection of practices and belifs into a paradigmatic prcedent: (1) FRRs for individual launches and (2) cumulative decision making for all launches.

Oh, make your mind easy! I shall do no harm, if I do no good.

Here the bright crocus and blue vi'let glow; / Here weſtern winds on breathing roſes blow.

This lady's interesting figure, on her wedding-day, was attired in a sacque and petticoat of the most expensive brocaded white silk, resembling net-work, enriched with small flowers […] .