Science: Insulation

insulation

Insulation
insulation

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