Science: Insulation

insulation

Insulation
insulation

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