Science: Insulation

insulation

Insulation
insulation

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