Science: Insulation

insulation

Insulation
insulation

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