Science: Insulation

insulation

Insulation
insulation

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