Science: Insulation

insulation

Insulation
insulation

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