Aqueous dispersions containing organopolysiloxanepolyurea copolymers prepared by reacting aminoalkyl-functional organopolysiloxanes with a diisocyanate in water in the presence of a protonating acid, and optionally one or more surfactants andor protective colloids. Verification modules executing on both the source and destination computers cooperate to identify a common persistent consistency point image of the source and destination data sets. The first and second molecular analytes having different pIs. Adverse effects of the aft flame of the launched rocket or missile is securely displaced to the outside of the vehicle while foldability of the ramp enables to prevent or reduce radar and eye visibility of the launcher, particularly when mounted on a naval surface ship. The container further comprises a permanent magnet that is fixed to the tray and a ferromagnetic body that is arranged inside a closure flap.