Science: Insulation

insulation

Insulation
insulation

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