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
I O I N P Z P S X
F R T H E A T W G
E E T A O R L T J
R B N J L T G H Z
J Z H C G U Y Y W
O R E V O T S U N
G R R F Q L M N U
N J J G A R D W I
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