Science: Insulation

insulation

Insulation
insulation

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