Science: Insulation

insulation

Insulation
insulation

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