Science: Insulation

insulation

Insulation
insulation

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