Science: Insulation

insulation

Insulation
insulation

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