Science: Insulation

insulation

Insulation
insulation

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