Science: Insulation

insulation

Insulation
insulation

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