Science: Insulation

insulation

Insulation
insulation

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