A method for breaking the static friction between a sheet (50) carrying goods and a surface (54) of floor comprising the steps of: Shaking (122) a first segment (S1) of said sheet (50) carrying goods to above and simultaneously applying a voltage (120) in said first segment (S1) in said sheet (50) carrying goods; supporting said sheet (50) carrying goods with cables (34) and causing said cable (34) and said sheet (50) carrying goods to be extended within the elastic limits of said cables (34) and said sheet (50) carrying goods, characterized by the further step of transmitting an impact (120, 122) vibrating along said sheet (50) carrying goods from said first segment (S1).
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