1. He handcuffed all of the employees but one to a ski-grinding machine . 2. Any grinding is done with relatively small manually operated, mechanical grinding machines . 3. The owners of these shops were hot to purchase computer-controlled grinding machines , 4. In 1958, the company began the construction of tool grinding machines . 5. The saw filer uses a semi or fully automatic grinding machine for this. 6. Furthermore, a wide belt grinding machine can be constructed with single or multiple heads. 7. Chemical paint remover or grinding with a concrete grinding machine is the only way. 8. Most cylindrical grinding machines include a swivel to allow for the forming of tapered pieces. 9. These range from advanced semi-automated wet-grinding machines to honing-steels. 10. But Schuette is more affected in its tool-grinding machines , which are a staple of the industry.