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
W H N I T U W N F
E E O E C O S R O
R A R T R U V U M
I T N D L G V E N
F X E A E E Y D H
Z X T F G E M S Y
C O L D A L B T L
R X N B X M A T C
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