The use of mixtures of two, three or more straight-chain 1,2-alkanediols, the chains lengths of which are different and in each case are in the range of 5 to 10 C atoms, as antimicrobial active compounds is described. Further, if an execution of a first instruction in the VM completes successfully, control is transitioned to the VMM following the successful completion of the execution of the first instruction. An inkjet printhead body laser welds to the laser light transparency component in an area between the peripheries of the two lid components.