Science: Insulation

insulation

Insulation
insulation

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