Science: Insulation

insulation

Insulation
insulation

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