Science: Insulation

insulation

Insulation
insulation

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