What is the fine-grained topic of the following text: Mitsubishi CNC Wire EDM: • Mitsubishi DWC 90CR CNC Wire EDM ... • Porter Cable 506 Belt Grinder ... • Last Word Wheel Dresser • (2) St. Mary Spin Rolls • (2) Boyer Schultz 6 x 18 Hand Surface Grinders • Covel Universal Tool Grinder • Gorton 375-4 Cutter Grinders • Large Pedestal Tool Grinder • Miller Falls Bench Tool Grinder. Only return the topic.
Industrial machinery and tools