Science: Insulation

insulation

Insulation
insulation

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