Science: Insulation

insulation

Insulation
insulation

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