Science: Insulation

insulation

Insulation
insulation

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