[1. BURTON, G., et al., 2014. Use of vegetable oil in water emulsion achieved through ultrasonic atomization as cutting fluids in micro-milling. J. Manuf. Process., 16(3), pp. 405–413.10.1016/j.jmapro.2014.04.005]Search in Google Scholar
[2. DEBNATH, S., et al., 2014. Environmental friendly cutting fluids and cooling techniques in machining: a review- J. Clean. Prod., Vol. 83, pp. 33–47.10.1016/j.jclepro.2014.07.071]Search in Google Scholar
[3. BYERS, J., 2006. Metalworking fluids. pp. 253–278.]Search in Google Scholar
[4. KURDVE, M., DAGHINI, L., 2012. Sustainable metal working fluid systems : best and common practices for metal working fluid maintenance and system design in Swedish industry. Int. J. Sustain. Manuf., 2(4), pp. 276–292.10.1504/IJSM.2012.048582]Search in Google Scholar
[5. Metalworking Fluids: Safety and Health Best Practices Manual. [Online]. Available: https://www.osha.gov/SLTC/metalworkingfluids/metalworkingfluids_manual.html.]Search in Google Scholar
[6. Metal Working Fluids Recommendation for Chronic Inhalation Studies National Institute for Occupational Safety and Health. 2001. p. 90.]Search in Google Scholar
[7. GÜTH, F., et al., 2015. Field-effect Based pH Sensors for Cutting Fluid Condition Monitoring. Procedia Eng., Vol. 120, pp. 150–153.10.1016/j.proeng.2015.08.591]Search in Google Scholar
[8. Pollution Prevention Guide To Using Metal Removal Fluids in Machining Operations. 1995. Institute of Advanced Manufacturing Sciences, Incorporated Machining Excellence Division.]Search in Google Scholar
[9. TRAFNY, E., 2013. Microorganisms in metalworking fluids: current issues in research and management. Int. J. Occup. Med. Environ. Health, 26(1), pp. 4–15.10.2478/s13382-013-0075-523526197]Search in Google Scholar
[10. Cutting Fluid Management for Small Machining Operations, Iowa Waste Reduction Center University of Northern Iowa Creation, 1996.]Search in Google Scholar
[11. Vernier Software & Technology, “pH sensor manual.” 2016. p. 4.]Search in Google Scholar
[12. Vernier Software & Technology, “Stainless steel temperature probe TMP-BTA Manual.” 2016. p. 5.]Search in Google Scholar
[13. Vernier Software & Technology, “Conductivity probe CON-BTA manual.” 2016. p. 8.]Search in Google Scholar
[14. PR-111 refractometer product information. [Online]. Available on: http://refractometer.com/pr111-refractometer/.]Search in Google Scholar
[15. Rower pumpe. [Online]. Available on: http://www.roverpompe.com.]Search in Google Scholar
[16. Tork valve & automation. [Online]. Available: http://en.smstork.com.]Search in Google Scholar