Science: Insulation

insulation

Insulation
insulation

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