Science: Insulation

insulation

Insulation
insulation

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