Science: Insulation

insulation

Insulation
insulation

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