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We discuss observables in multiparticle production for three kinds of limits of decreasing kinematical scales: 1. the transition jet → hadron (limit y cut → 0 of the resolution parameter yCut) 2. single particle inclusive distributions normalized at threshold  Ö</font>s\sqrt s   → 0 and 3. particle densities in the limit of low momentum p,pr → 0. The observables show a smooth behaviour in these limits and follow the perturbative QCD predictions, originally designed for large scales, whereby a simple prescription is supplemented to take into account mass effects. A corresponding physical picture is described.

Soft Limits of Multiparticle Observables and Parton Hadron Duality