Science: Insulation

insulation

Insulation
insulation

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