Science: Insulation

insulation

Insulation
insulation

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