Science: Insulation

insulation

Insulation
insulation

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