Science: Insulation

insulation

Insulation
insulation

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