Science: Insulation

insulation

Insulation
insulation

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