Science: Insulation

insulation

Insulation
insulation

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