Science: Insulation

insulation

Insulation
insulation

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