Science: Insulation

insulation

Insulation
insulation

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