Science: Insulation

insulation

Insulation
insulation

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