Science: Insulation

insulation

Insulation
insulation

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