Science: Insulation

insulation

Insulation
insulation

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