Science: Insulation

insulation

Insulation
insulation

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