Science: Insulation

insulation

Insulation
insulation

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