Science: Insulation

insulation

Insulation
insulation

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