Science: Insulation

insulation

Insulation
insulation

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