Science: Insulation

insulation

Insulation
insulation

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