Science: Insulation

insulation

Insulation
insulation

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