Science: Insulation

insulation

Insulation
insulation

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