Science: Insulation

insulation

Insulation
insulation

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