Science: Insulation

insulation

Insulation
insulation

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