Science: Insulation

insulation

Insulation
insulation

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