Science: Insulation

insulation

Insulation
insulation

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