Apparatus and method for changing one or several dimensions of a load space in a working machine, when the dimensions are width, height or length. In one implementation, a system derives multiple resolutions of each video frame of a video sequence portraying movement of a visual object. A fingerprint of the input audio signal is then generated. Furthermore, a hydrogen production process, wherein the reaction of decomposing sulfur trioxide into sulfur dioxide and oxygen by an S\u2014I cycle process is performed by the above-described sulfur dioxide production process is provided. , and 2) at least one non-polymeric organogelling agent.