Science: Insulation

insulation

Insulation
insulation

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