Science: Insulation

insulation

Insulation
insulation

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