Science: Insulation

insulation

Insulation
insulation

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