Science: Insulation

insulation

Insulation
insulation

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