Science: Insulation

insulation

Insulation
insulation

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