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