Science: Insulation

insulation

Insulation
insulation

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