Science: Insulation

insulation

Insulation
insulation

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