「oil」Categories List

• About the origin and composition of crude oil

  What is crude oil Crude oil is a liquid mineral resource excavated from oil fields. It is…

  2020.01.07

  

• About cutting oil

  What is cutting oil Cutting oil is a type of “processing oil” that is used to…

  2018.08.28

  

• About poor cleaning during metal processing

  What is processing oil? Related article About oil Vo.1 Many of the artifacts around us ar…

  2018.06.08

  

• About flux cleaning (2)

  What is flux? Flux is what is called a “main material” or “base” …

  2017.10.03

  

• About oil Vol.2 -What is polychlorinated biphenyl

  What is polychlorinated biphenyl Polychlorinated biphenyl is a compound called PCB or PCB…

  2017.05.15