Science: Insulation

insulation

Insulation
insulation

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