Science: Insulation

insulation

Insulation
insulation

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