Science: Insulation

insulation

Insulation
insulation

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