Science: Insulation

insulation

Insulation
insulation

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