Science: Insulation

insulation

Insulation
insulation

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