User:Bavondong1637/sandbox

Pasteurization http://www.foodsafetysite.com/educators/competencies/general/foodprocessing/processing2.html

Heat Treatment http://www.brighthubengineering.com/manufacturing-technology/30476-what-is-heat-treatment/

EM (Effective Microorganism) http://mmaqua.in/waste-water/effective-microorganism/