Science: Insulation

insulation

Insulation
insulation

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