Science: Insulation

insulation

Insulation
insulation

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