Technology
Go to...
Index
Translations
Pronunciation
Images
Computers
Geography
Languages
0 / 60 seg.
SCIENCE & TECHNOLOGY: The oldest way to refine oil, this process heats the oil until its component parts vaporize
D
_
S
T
_
L
L
_
N
G
/
F
R
_
C
T
_
_
N
_
L
D
_
S
T
_
L
L
_
T
_
_
N
Clue
ACHESON PROCESS
THERMITE PROCESS
CASE-HARDENING
DISTILLING/FRACTIONAL DISTILLATION
Text
Audio
Text & audio
Free text
Multiple option
Previous question
Start
Next question
Please enable JavaScript to continue using this application.