Science: Insulation

insulation

Insulation
insulation

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