The present invention relates to an arrangement for handling of luggage of an aircraft container. The steel product is initially contaminated by oils and by at least one of organic and inorganic particles that are suspended or dissolved in the oils. For the purpose of adjustment, a control pressure medium can be applied to the actuating device by a control valve. The ULW proppant is obtained by drying, screening, and pre-oxidization of the composite microsphere. The method includes attaching a first DNA molecule to a bead to form a first DNA-bead complex; and combining a nanoparticle with the first DNA-bead complex to form a nanoparticle-DNA-bead complex having one DNA molecule attached to the nanoparticle. Further a power generation system is described.