Science: Insulation

insulation

Insulation
insulation

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