Science: Insulation

insulation

Insulation
insulation

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