Science: Insulation

insulation

Insulation
insulation

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