Science: Insulation

insulation

Insulation
insulation

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