Science: Insulation

insulation

Insulation
insulation

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