G
o
o
g
l
e
×
Please click
here
if you are not redirected within a few seconds.
All
Maps
Images
News
Videos
Shopping
Books
Search tools
Any time
Any time
Past hour
Past 24 hours
Past week
Past month
Past year
All results
All results
Verbatim
Refinery
View all
A refinery is a production facility composed of a group of chemical engineering unit processes and unit operations refining certain materials or converting raw material into products of value.
Wikipedia