Science: Insulation

insulation

Insulation
insulation

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