Science: Insulation

insulation

Insulation
insulation

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