Science: Insulation

insulation

Insulation
insulation

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