Science: Insulation

insulation

Insulation
insulation

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