Contractors from all over Germany - including experts from the German Armed Forces - were able to convince themselves of the innovative ideas of Stehr, which were presented in action "LIVE". Once again, the absolute superiority of the SBR 160 plate compactors compared to a new-generation compactor was impressively demonstrated by comparative plate pressure tests. Before the compaction process, the compaction rinks were repeatedly loosened 50 cm deep with the SBHR 24/2 stiffener.