Science: Insulation

insulation

Insulation
insulation

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