Science: Insulation

insulation

Insulation
insulation

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