Science: Insulation

insulation

Insulation
insulation

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