Science: Insulation

insulation

Insulation
insulation

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