Science: Insulation

insulation

Insulation
insulation

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