Please read the following paper and write a 1-2 page summary on Ecological aspects of cooling/lubrication and MQL/MQCL.
Krolczyk, G. M., Maruda, R. W., Krolczyk, J. B., Wojciechowski, S., Mia, M., Nieslony, P., & Budzik, G. (2019). Ecological trends in machining as a key factor in sustainable productionâ€“a review. Journal of Cleaner Production.