a lissmac grinding and deburring machine has now been in service with metallwarenerzeugung herbert k nig in fu ach/austria for a year. the machine has contributed greatly not only to the success of the sheet metal process......a lissmac grinding and deburring machine has now been in service with metallwarenerzeugung herbert k nig in fu ach/austria for a year. the machine has contributed greatly not only to the success of the sheet metal processing firm but also to increasing the serviceability of its products.