Science: Insulation

insulation

Insulation
insulation

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