Science: Insulation

insulation

Insulation
insulation

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