Science: Insulation

insulation

Insulation
insulation

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