Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
X U P O I W K E R
C H B W P Q O O T
P V E O G C T R K
C D V C C A A O E
A G O S L N N K T
T L T U S U N A J
D A S F I R E R W
W N E N E R G Y T
I R V H O T A R Q
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