Science: Insulation

insulation

Insulation
insulation

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