The "halts" (Northwood Halt and Country Park Halt) are request stops. A particular program either halts on a given input or does not halt. This slows and eventually halts the rotor completely. "M" halts on input "w", and does not halt otherwise. This continues until the head stops rotating which simultaneously halts semicircular duct rotation. Deluged with sell orders, many stocks on the NYSE faced trading halts and delays. This immediately halts histone production and prevents a toxic buildup of free histones. Further, Ena/VASP prevents the action of capping protein, which halts actin polymerization. The ensuing situation halts or stabilizes the progress of the innovation, which approaches an asymptote. After several halts, the project has been voluntarily postponed. Then the tribunal halts the trial and arrests Fiedler. The Pulse starts to decay as cracking halts. However, when he halts their intimacy, Daenerys resigns herself to fear. This halts their dopamine release, and thereby serotonin decreases appetite. A giant, bus-shaped cat halts at the stop, and Totoro boards it and leaves.