Science: Insulation

insulation

Insulation
insulation

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