Science: Insulation

insulation

Insulation
insulation

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