Science: Insulation

insulation

Insulation
insulation

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