Science: Insulation

insulation

Insulation
insulation

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