For years, I've been adding coolant to water without measuring. A part with a rough finish made me check with a refractometer. The mix was too weak, and I think it's been causing extra tool wear. Do you use tools to keep your coolant right?
Back in the day, my grandpa said the same about his forge hammer.
Local shop owners are pushing for automation to boost output. Long-time operators argue it threatens jobs and hands-on skill. Should we embrace this change or protect traditional roles?