Science: Insulation

insulation

Insulation
insulation

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