Science: Insulation

insulation

Insulation
insulation

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