Science: Insulation

insulation

Insulation
insulation

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