Science: Insulation

insulation

Insulation
insulation

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