Science: Insulation

insulation

Insulation
insulation

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