Science: Insulation

insulation

Insulation
insulation

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