Science: Insulation

insulation

Insulation
insulation

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