Science: Insulation

insulation

Insulation
insulation

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