Science: Insulation

insulation

Insulation
insulation

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