Science: Insulation

insulation

Insulation
insulation

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