Science: Insulation

insulation

Insulation
insulation

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