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
E O I N M H O T S
B R T D E E V X P
E Q N A F R X V R
P D T T L C G A M
H P X Y C U E Y B
V P E V O T S U N
T N J A L Z I N O
Q R B T D O Q J I
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