Science: Insulation

insulation

Insulation
insulation

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