Science: Insulation

insulation

Insulation
insulation

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