Science: Insulation

insulation

Insulation
insulation

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