Science: Insulation

insulation

Insulation
insulation

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