Methods and apparatus for providing seamless functionality in a computer are disclosed. The invention has the problem of making a transport vehicle available that also makes possible the transport on highways of very bulky material, especially such material that exceeds the usual profile height of underpasses and bridges. Preferably, the laser is at least two semiconductor lasers disposed in series, a row, or a line, each having an antireflection coating on at least one side. The first effluent can flow from the scalping shaker to a first section and can be agitated.